drm/amdgpu: gart fixes for vega10

Flags need to be 0 to be considered invalid.

Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed