BUILD: Add configure flag for SSE 4.2
BUILD: Add configure flag for SSE 4.2

abouteiller/ucx,abouteiller/ucx,sergsagal1/ucx_rocm,sergsagal1/ucx_rocm,sergsagal1/ucx_rocm,shssf/ucx,abouteiller/ucx,shssf/ucx,abouteiller/ucx,shssf/ucx