APPBROWSER-369: Rewrite the gemm.cs with the new common code

Change-Id: I9db00c846fa7fc223a22ab775025dfdea587ade8
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114957
Reviewed-by: Joel Liang <joel.liang@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
2 files changed