drm/fsl-dcu: handle initialization errors properly

If initialization fails (e.g. due to missing panel node or deferred
probe) make sure to roll-back all operations and return the error
code.

Signed-off-by: Stefan Agner <stefan@agner.ch>
This commit is contained in:
Stefan Agner 2015-11-16 16:25:17 -08:00
commit 7566e24767