drm/amdgpu: Fix GPU reset crash regression.

amdgpu_ip_block.status.hw for GMC wasn't set to
false on suspend during GPU reset and so on resume gmc_v9_0_resume
wasn't called.
Caused by 'drm/amdgpu: fix double ucode load by PSP(v3)'

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>