drm/amd/display: No need to assert on stream_status

This will be NULL on a new stream. DC handles it gracefully.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2017-05-19 17:15:23 -04:00 • committed by Alex Deucher
commit c14833c672