drm/amd/amdgpu: Fix alignment issue

Fix alignment problems reported by zuul for the
commit b07d1d73 ("drm/amd/amdgpu: Enable high priority gfx queue")

Fixes: b07d1d73 ("drm/amd/amdgpu: Enable high priority gfx queue")
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>