microblaze: Add target architecture
microblaze: Add target architecture

Add missing target architectures - virtex7, ultrascale virtex
and ultrascale kintex.

Signed-off-by: Michal Simek <b20e59da6aeb5cea6c82b021069d69f63616c55d@xilinx.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs