[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 `lld-x86_64-ubuntu-fast` running on `as-builder-4` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/33/builds/23378

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
1.773 [3562/8/489] Linking CXX shared module unittests/Passes/Plugins/DoublerPlugin.so
1.779 [3562/7/490] Linking CXX shared library lib/libRemarks.so.22.0git
1.795 [3561/7/491] Creating library symlink lib/libRemarks.so
1.813 [3561/6/492] Building ARMTargetParserDef.inc...
1.887 [3561/5/493] Linking CXX executable bin/llvm-opt-report
1.906 [3561/4/494] Linking CXX executable bin/llvm-remarkutil
2.023 [3561/3/495] Linking CXX executable bin/llvm-tblgen
2.053 [3499/64/496] Building COFFOptions.inc...
2.176 [3498/64/497] Building AArch64TargetParserDef.inc...
2.915 [3497/64/498] Building RISCVTargetParserDef.inc...
FAILED: include/llvm/TargetParser/RISCVTargetParserDef.inc /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include/llvm/TargetParser/RISCVTargetParserDef.inc 
cd /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include/llvm/TargetParser && /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llvm-min-tblgen -gen-riscv-target-def -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/include/llvm/TargetParser -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/RISCV -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/include /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/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/lld-x86_64/llvm-project/llvm /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/include/llvm/TargetParser /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include/llvm/TargetParser /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include/llvm/TargetParser/RISCVTargetParserDef.inc.d /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/CMakeFiles/d/700b67d1de8ed24b232985d4f20be12d380b008ffb95cc3651c89d1d820acb00.d
Included from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/RISCV/RISCV.td:36:
Included from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td:2344:
Included from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoV.td:1842:
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td:39:19: error: Variable not defined: 'HasStdExtZvfbfmin'
let Predicates = [HasStdExtZvfbfmin] in {
                  ^
2.972 [3497/63/499] Building AVRGenCallingConv.inc...
2.994 [3497/62/500] Building AVRGenAsmWriter.inc...
3.027 [3497/61/501] Building AVRGenAsmMatcher.inc...
3.088 [3497/60/502] Building R600GenMCCodeEmitter.inc...
3.134 [3497/59/503] Building R600GenCallingConv.inc...
3.173 [3497/58/504] Building R600GenAsmWriter.inc...
3.181 [3497/57/505] Building R600GenRegisterInfo.inc...
3.252 [3497/56/506] Building R600GenDFAPacketizer.inc...
3.258 [3497/55/507] Building R600GenSubtargetInfo.inc...
3.281 [3497/54/508] Building AVRGenDAGISel.inc...
3.513 [3497/53/509] Building ARMGenMCPseudoLowering.inc...
3.518 [3497/52/510] Building R600GenDAGISel.inc...
3.564 [3497/51/511] Building ARMGenSystemRegister.inc...
3.565 [3497/50/512] Building ARMGenRegisterBank.inc...
3.579 [3497/49/513] Building ARMGenCallingConv.inc...
3.614 [3497/48/514] Building ARMGenRegisterInfo.inc...
3.642 [3497/47/515] Building ARMGenMCCodeEmitter.inc...
3.688 [3497/46/516] Building ARMGenDisassemblerTables.inc...
3.697 [3497/45/517] Building ARMGenAsmWriter.inc...
3.703 [3497/44/518] Building R600GenInstrInfo.inc...
3.720 [3497/43/519] Building AArch64GenSDNodeInfo.inc...
3.810 [3497/42/520] Building AArch64GenPostLegalizeGILowering.inc...
3.829 [3497/41/521] Building AArch64GenExegesis.inc...
3.839 [3497/40/522] Building AArch64GenMCPseudoLowering.inc...
3.880 [3497/39/523] Building ARMGenAsmMatcher.inc...
3.947 [3497/38/524] Building AArch64GenO0PreLegalizeGICombiner.inc...
3.996 [3497/37/525] Building AArch64GenPostLegalizeGICombiner.inc...
4.077 [3497/36/526] Building AArch64GenAsmWriter1.inc...
4.136 [3497/35/527] Building AArch64GenMCCodeEmitter.inc...
4.148 [3497/34/528] Building ARMGenDAGISel.inc...
4.150 [3497/33/529] Building AArch64GenPreLegalizeGICombiner.inc...

```

</details>

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