et-backend: F16 vecdot GEMV + matrix-engine GEMM#28

RehanQasim-dev wants to merge 2 commits into

aifoundry-org:etaifoundry-org/llama.cpp:etfrom

RehanQasim-dev:upstream-f16-gemv-gemmRehanQasim-dev/llama.cpp:upstream-f16-gemv-gemmCopy head branch name to clipboard