[llvm] Reapply "[LLVM][TableGen] Parameterize NumToSkip in DecoderEmitter" (#136017) (PR #136019)

[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 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/187/builds/5449

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Bindings/llvm-c/ARM/disassemble.test' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/llvm-c-test --disassemble < /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/Bindings/llvm-c/ARM/disassemble.test | /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/Bindings/llvm-c/ARM/disassemble.test # RUN: at line 1
+ /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/llvm-c-test --disassemble
+ /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/Bindings/llvm-c/ARM/disassemble.test
8: Unexpected decode table opcode!
66528: Unexpected decode table opcode!
66031: Unexpected decode table opcode!
8: Unexpected decode table opcode!
8: Unexpected decode table opcode!
llvm-c-test: /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/lib/Target/ARM/ARMGenAsmWriter.inc:9783: void llvm::ARMInstPrinter::printInstruction(const llvm::MCInst*, uint64_t, const llvm::MCSubtargetInfo&, llvm::raw_ostream&): Assertion `Bits != 0 && "Cannot print this instruction."' failed.
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/Bindings/llvm-c/ARM/disassemble.test

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/136019