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: NArunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>