drm/amdgpu: add gfx queue support of gfx10 in ipdump

Add gfx queue register for all instances in devcoredump
for gfx10.

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