drm/msm/mdp5: drop mdp5_plane::name

Just use plane->name now that it is a thing.  In a following patch, once
we dynamically assign hw pipes to planes, it won't make sense to name
planes the way we do, so this also partly reduces churn in following
patch.

Signed-off-by: Rob Clark <robdclark@gmail.com>
1 file changed