[clang] [lldb] [llvm] [OpenCL][Clang] Add support for cooperative matrix extension (PR #221328)

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asudarsa-qti wrote:

Hi @svenvh and @MrSidims 

Thanks so much for your feedback so far.
I have updated the cooperative matrix type class to derive from Type class instead of MatrixType. This required a cascade of updates at several sites. I have also addressed review comments from the older PR and have added my answers here.

I will open up the PR for review once some testing is completed.

Thanks
Sincerely

https://github.com/llvm/llvm-project/pull/221328