Find{BLAS,LAPACK}: Add AOCL BLIS/libFLAME

Cordell Bloorrequested to merge
cgmb/cmake:add-aocl-blas-vendor into master

The AMD Optimizing CPU Libraries (AOCL) provide forks of BLIS and libFLAME that are optimized for AMD "Zen" core architectures.

Closes: #23605 (closed)

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