drm/amdgpu: Include sdma_4_4_4.bin

This got missed during SDMA 4.4.4 support.

Fixes: 968e3811 ("drm/amdgpu: add initial support for sdma444")
Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 51526efe)
Cc: stable@vger.kernel.org