This patch removes the warning messages related to unused variables in
sbgemm_kernel_power10.c.
Signed-off-by: Manjul Mohan <manjul@linux.vnet.ibm.com>
As the new MMA instructions need the inputs in 4x2 order for bfloat16,
changing the format in copy/packing code. This avoids permute instructions
in the gemm kernel inner loop.