[AMX] Support AMX-FP16 new intrinsic interface

[AMX] Support AMX-FP16 new intrinsic interface

We support AMX-FP16 isa in https://reviews.llvm.org/D135941 now.
The old  intrinsic interface need to manually write tile registers.
So we support its new intrinsic interface to let it be able to do register allocation.

Reviewed By: LuoYuanke

Differential Revision: https://reviews.llvm.org/D138987