[llvm] [ELF/RISCV] Add definitions for XCHERIOT1 non-standard relocations on RISCV. (PR #172414)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-windows` running on `linaro-armv8-windows-msvc-05` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/141/builds/14021

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

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: lang/c/anonymous/TestAnonymous.py (754 of 2387)
UNSUPPORTED: lldb-api :: lang/c/bitfields/TestBitfields.py (755 of 2387)
UNSUPPORTED: lldb-api :: lang/c/blocks/TestBlocks.py (756 of 2387)
PASS: lldb-api :: lang/c/builtin-types/TestCBuiltinTypes.py (757 of 2387)
PASS: lldb-api :: lang/c/array_types/TestArrayTypes.py (758 of 2387)
UNSUPPORTED: lldb-api :: lang/c/complex/TestComplexC99.py (759 of 2387)
UNSUPPORTED: lldb-api :: lang/c/complex_int/TestComplexInt.py (760 of 2387)
PASS: lldb-api :: lang/c/calling-conventions/TestCCallingConventions.py (761 of 2387)
UNSUPPORTED: lldb-api :: lang/c/conflicting-symbol/TestConflictingSymbol.py (762 of 2387)
UNSUPPORTED: lldb-api :: lang/c/cpp_keyword_identifiers/TestCppKeywordsAsCIdentifiers.py (763 of 2387)
FAIL: lldb-api :: lang/c/enum_types/TestEnumTypes.py (764 of 2387)
******************** TEST 'lldb-api :: lang/c/enum_types/TestEnumTypes.py' FAILED ********************
Script:
--
C:/Users/tcwg/scoop/apps/python/current/python.exe C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/llvm-project/lldb\test\API\dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --env LLVM_INCLUDE_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/include --env LLVM_TOOLS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --arch aarch64 --build-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex --lldb-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-lldb\lldb-api --clang-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-api --executable C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/lldb.exe --compiler C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/clang.exe --dsymutil C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/dsymutil.exe --make C:/Users/tcwg/scoop/shims/make.exe --llvm-tools-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --lldb-obj-root C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb --lldb-libs-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --cmake-build-type Release --skip-category=watchpoint C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\API\lang\c\enum_types -p TestEnumTypes.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision c449f7f1f83b98cdf0eb5c7f829d915138baab44)
  clang revision c449f7f1f83b98cdf0eb5c7f829d915138baab44
  llvm revision c449f7f1f83b98cdf0eb5c7f829d915138baab44
day as int is -4

day as int is -3

day as int is -2

day as int is -1

day as int is 0

day as int is 1

day as int is 2

day as int is 3

day as int is 4

day as int is 5

Skipping the following test categories: watchpoint, libc++, libstdcxx, dwo, dsym, gmodules, debugserver, objc, fork, pexpect


--
Command Output (stderr):
--

```

</details>

https://github.com/llvm/llvm-project/pull/172414