- Added AVX512 based double and float DOTV which will be used in
Zen4 context.
- Added n <= 0 check to the BLAS layer of SDOTV.
- Modified BLAS framework of float DOTV to remove flag check and
pick kernels based on architecture ID.
- AVX512 kernel is disabled for other Zen configurations using
BLIS_KERNELS_ZEN4 macro.
AMD-Internal: [CPUPL-2800]
Change-Id: I550fbcbb17d6d887b9ecbea23237dc806b208702