drm/amdgpu: add gfx queue support for gfx11 ipdump

Add support of all the CP GFX queues for gfx11 ipdump
to be used by devcoredump.

Change-Id: I16854ac46996dd1c3a443b301d75400ceb347920
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>