Backport gfx12 improvements to 6.3 release

[causten]

Migraphx support for gfx12 (#3517) Add gfx110x and gfx120x cards to hipblaslt supported arch (#3544)

[codecov[bot]]

Codecov Report

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

Project coverage is 92.16%. Comparing base (0fb79b4) to head (f85c896). Report is 6 commits behind head on release/rocm-rel-6.3.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/rocm-rel-6.3 #3561 +/- ## ===================================================== Coverage 92.16% 92.16% ===================================================== Files 512 512 Lines 21401 21401 ===================================================== Hits 19724 19724 Misses 1677 1677 ```

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