[compiler-rt] [compiler-rt][ubsan] Add powerpc64le support to offload UBSan HSA interceptors (PR #228007)

[Riyaz Ahmad via llvm-commits]

riyaz86a wrote:

Following are test results:

```
[~/llvm/dev/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/ubsan/Standalone-powerpc64le/TestCases] (master)$ lit -v Misc/Posix/hsa-load-order.cpp
-- Testing: 1 tests, 1 workers --
PASS: UBSan-Standalone-powerpc64le :: TestCases/Misc/Posix/hsa-load-order.cpp (1 of 1)

Testing Time: 0.48s

Total Discovered Tests: 1
  Passed: 1 (100.00%)
[~/llvm/dev/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/ubsan/Standalone-powerpc64le/TestCases] (master)$ lit -v Misc/Posix/hsa-missing.cpp
-- Testing: 1 tests, 1 workers --
PASS: UBSan-Standalone-powerpc64le :: TestCases/Misc/Posix/hsa-missing.cpp (1 of 1)

Testing Time: 0.22s

Total Discovered Tests: 1
  Passed: 1 (100.00%)
```

https://github.com/llvm/llvm-project/pull/228007