[AMDGPU] gfx11 EXECZ and VCCZ are no longer allowed to be used as

sources to SALU and VALU instructions.

Contributors:
Baptiste Saleil <baptiste.saleil@amd.com>

Patch 20/N for upstreaming of AMDGPU gfx11 architecture

Depends on D126989

Reviewed By: rampitec, foad, #amdgpu

Differential Revision: https://reviews.llvm.org/D127143