drm/msm/sde: move UBWC error logging to frame event callback

Check and log the UWBC error status of all the planes
in the frame event callback before queuing it to the
worker thread. This will ensure that the clks are enabled
at this point as this happens from the vsync/pp-done
interrupt context.

Change-Id: I826da30e1b1ffe3e5c7cd076460a762495fc643d
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>