drm/amdgpu/display: Allow DCC for video formats on GFX12

commit df1e82e7 upstream.

We advertise DCC as supported for NV12/P010 formats on GFX12,
but it would fail on this check on atomic commit.

Signed-off-by: David Rosca <david.rosca@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ba795235)
Cc: stable@vger.kernel.org # 6.12.x
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>