Bf16*fp4 gemm (#2801)

* support bf16*mxfp4 gemm

* rebase bf16*fp4 example to develop branch

* Clean up commented debug code in GEMM kernel

* rename example folder

* support bf16*mxfp4 gemm

* rebase bf16*fp4 example to develop branch

* Clean up commented debug code in GEMM kernel

* rename example folder

* rebase to new develop

* fix clang format

* update code according to reviewer's comment

* Update README.md

* update code according to reviewer's comment

* update code according to reviewer's comment

* Update CMakeLists.txt

* Update README.md

* Update CMakeLists.txt

* Delete files

* Delete files

* Add unit tests

* Update test_gemm_quant_base.hpp

* merge bf16*fp4 example to develop branch

* fix clang format

* fix clang format

* Update CMakeLists.txt

* fix ci test

* fix clang format

* resolve conflicts

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Co-authored-by: eliotwang <charyang@smci355-ccs-aus-m10-29.cs-aus.dcgpu>
Co-authored-by: ShaoChunLee <Shao-Chun.Lee@amd.com>
Co-authored-by: Illia Silin <98187287+illsilin@users.noreply.github.com>
Co-authored-by: illsilin_amdeng <Illia.Silin@amd.com>
Co-authored-by: Thomas Ning <Thomas.Ning@amd.com>