[llvm] [NFC][RISCV] Move Zvfbf* relative stuffs to RISCVInstrInfoZvfbf.td (PR #159619)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-expensive-checks-ubuntu` running on `as-builder-4` while building `llvm` at step 6 "build-default".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/187/builds/11587

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (build-default) failure: cmake (failure)
...
2.753 [3488/66/505] Building AVRGenDisassemblerTables.inc...
2.787 [3487/66/506] Building R600GenDFAPacketizer.inc...
2.811 [3486/66/507] Building R600GenSubtargetInfo.inc...
2.839 [3485/66/508] Building AVRGenAsmWriter.inc...
2.998 [3484/66/509] Building ARMGenMCPseudoLowering.inc...
3.051 [3483/66/510] Building ARMGenSystemRegister.inc...
3.062 [3482/66/511] Building R600GenDAGISel.inc...
3.074 [3481/66/512] Building ARMGenCallingConv.inc...
3.075 [3480/66/513] Building ARMGenRegisterBank.inc...
3.104 [3479/66/514] Building RISCVTargetParserDef.inc...
FAILED: include/llvm/TargetParser/RISCVTargetParserDef.inc /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/include/llvm/TargetParser/RISCVTargetParserDef.inc 
cd /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/include/llvm/TargetParser && /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/llvm-min-tblgen -gen-riscv-target-def -I/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/include/llvm/TargetParser -I/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV -I/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/include -I/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/include /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV/RISCV.td --write-if-changed -o RISCVTargetParserDef.inc -d RISCVTargetParserDef.inc.d && /usr/bin/cmake -E cmake_transform_depfile Ninja gccdepfile /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/include/llvm/TargetParser /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/include/llvm/TargetParser /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/include/llvm/TargetParser/RISCVTargetParserDef.inc.d /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/CMakeFiles/d/7941954024415730adfff1638514387aba110075f69c9bc5c277b63c3743c74c.d
Included from /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV/RISCV.td:36:
Included from /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td:2344:
Included from /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoV.td:1842:
/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td:39:19: error: Variable not defined: 'HasStdExtZvfbfmin'
let Predicates = [HasStdExtZvfbfmin] in {
                  ^
3.107 [3479/65/515] Building ARMGenMCCodeEmitter.inc...
3.190 [3479/64/516] Building ARMGenDisassemblerTables.inc...
3.208 [3479/63/517] Building ARMGenRegisterInfo.inc...
3.230 [3479/62/518] Building ARMGenAsmWriter.inc...
3.476 [3479/61/519] Building AVRGenMCCodeEmitter.inc...
3.520 [3479/60/520] Building AVRGenSDNodeInfo.inc...
3.545 [3479/59/521] Building AArch64GenSDNodeInfo.inc...
3.556 [3479/58/522] Building AArch64GenMCPseudoLowering.inc...
3.556 [3479/57/523] Building AArch64GenExegesis.inc...
3.584 [3479/56/524] Building ARMGenAsmMatcher.inc...
3.603 [3479/55/525] Building AVRGenInstrInfo.inc...
3.615 [3479/54/526] Building AVRGenRegisterInfo.inc...
3.643 [3479/53/527] Building AArch64GenPostLegalizeGILowering.inc...
3.643 [3479/52/528] Building R600GenInstrInfo.inc...
3.652 [3479/51/529] Building AArch64GenPreLegalizeGICombiner.inc...
3.664 [3479/50/530] Building AArch64GenO0PreLegalizeGICombiner.inc...
3.693 [3479/49/531] Building AArch64GenPostLegalizeGICombiner.inc...
3.700 [3479/48/532] Building BPFGenCallingConv.inc...
3.708 [3479/47/533] Building BPFGenAsmMatcher.inc...
3.748 [3479/46/534] Building BPFGenAsmWriter.inc...
3.748 [3479/45/535] Building BPFGenDisassemblerTables.inc...
3.766 [3479/44/536] Building BPFGenDAGISel.inc...
3.791 [3479/43/537] Building AVRGenSubtargetInfo.inc...
3.809 [3479/42/538] Building AArch64GenCallingConv.inc...
3.837 [3479/41/539] Building BPFGenGlobalISel.inc...
3.873 [3479/40/540] Building AArch64GenDisassemblerTables.inc...
3.934 [3479/39/541] Building BPFGenRegisterInfo.inc...
3.934 [3479/38/542] Building BPFGenMCCodeEmitter.inc...
3.941 [3479/37/543] Building AArch64GenSystemOperands.inc...
3.945 [3479/36/544] Building BPFGenSubtargetInfo.inc...
3.985 [3479/35/545] Building BPFGenRegisterBank.inc...

```

</details>

https://github.com/llvm/llvm-project/pull/159619