drm/msm/sde: add debufs node for vsync and underrun status

Add a debugfs node under encoder to update the vsync
and underrun status of all physical encoders.

Change-Id: I56198e7450709f393c878d44b6c467a2d5f8dd65
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
2 files changed