[HIP] Enable more ordering and scope capabilities for atomic memory ops

[GeorgeWeb]

DPCPP changes:

• https://github.com/intel/llvm/pull/12938 (enables sycl::memory_order::seq_cst in sycl::atomic_ref)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 12.51%. Comparing base (78ef1ca) to head (df1701b). Report is 104 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1415      +/-   ##
==========================================
- Coverage   14.82%   12.51%   -2.32%     
==========================================
  Files         250      239      -11     
  Lines       36220    35949     -271     
  Branches     4094     4076      -18     
==========================================
- Hits         5369     4498     -871     
- Misses      30800    31447     +647     
+ Partials       51        4      -47     

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[kbenzie]

@GeorgeWeb if you could fix the merge conflict that would be great

[GeorgeWeb]

@mmoadeli ping. That one may have flown under the radar - would it be possible to take a look, please?