[X86] Allow AVX512 512-bit variants of AVX2 per-element i32 shift intrinsics to be used in constexpr

[RKSimon]

Followup to #154780

[github-actions]

✅ With the latest revision this PR passed the C/C++ code formatter.

[llvm-ci]

LLVM Buildbot has detected a new failure on builder cross-project-tests-sie-ubuntu running on doug-worker-1a while building clang at step 6 "test-build-unified-tree-check-cross-project".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/181/builds/27119

Here is the relevant piece of the build log for the reference

Step 6 (test-build-unified-tree-check-cross-project) failure: test (failure)
******************** TEST 'cross-project-tests :: debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
clang++ -O0 -glldb -std=gnu++11 /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp -o /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/projects/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/Output/float_range_no_arg.cpp.tmp # RUN: at line 10
+ clang++ -O0 -glldb -std=gnu++11 /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp -o /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/projects/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/Output/float_range_no_arg.cpp.tmp
"/usr/bin/python3.8" "/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/dexter.py" test --fail-lt 1.0 -w --debugger lldb-dap --lldb-executable "/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/bin/lldb-dap" --binary /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/projects/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/Output/float_range_no_arg.cpp.tmp -- /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp | /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/bin/FileCheck /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp # RUN: at line 11
+ /usr/bin/python3.8 /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/dexter.py test --fail-lt 1.0 -w --debugger lldb-dap --lldb-executable /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/bin/lldb-dap --binary /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/projects/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/Output/float_range_no_arg.cpp.tmp -- /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp
+ /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/build/bin/FileCheck /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu/llvm-project/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/float_range_watch/float_range_no_arg.cpp


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