drm/amdgpu: Improve the MTYPE comments

Use words insteads of acronyms for better understanding.

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yong Zhao 2020-05-26 20:53:21 -04:00 • committed by Alex Deucher
commit 130c88931f