drm_hwcomposer: Support unique fd for every YUV plane

Fixes video playback on DEVICE while using minigbm gralloc[0,3,4],
and other grallocs that have more than 1 prime_fd for YUV buffers.

Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
1 job for support-unique-fd-for-plane in 44 seconds (queued for 2 seconds)