[clang] [llvm] [RISCV] Add Qualcomm uC Xqcisync (Sync Delay) extension (PR #132184)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `arc-builder` running on `arc-worker` while building `clang,llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/3/builds/13424

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

```
Step 6 (test-build-unified-tree-check-all) failure: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
1.125 [69/18/1] Linking CXX executable tools/clang/unittests/Basic/BasicTests
1.360 [68/18/2] Linking CXX executable tools/clang/unittests/Format/FormatTests
5.485 [67/18/3] Linking CXX executable tools/clang/unittests/Lex/LexTests
5.985 [66/18/4] Linking CXX executable tools/clang/unittests/libclang/libclangTests
9.633 [65/18/5] Linking CXX executable tools/clang/unittests/Analysis/ClangAnalysisTests
10.414 [64/18/6] Linking CXX executable tools/clang/unittests/AST/ByteCode/InterpTests
10.868 [63/18/7] Linking CXX executable tools/clang/unittests/libclang/CrashTests/libclangCrashTests
11.243 [62/18/8] Linking CXX executable tools/clang/unittests/Tooling/Syntax/SyntaxTests
11.836 [61/18/9] Linking CXX executable tools/clang/unittests/InstallAPI/InstallAPITests
12.712 [60/18/10] Linking CXX executable tools/clang/unittests/Rewrite/RewriteTests
command timed out: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1399.904870

```

</details>

https://github.com/llvm/llvm-project/pull/132184