msm_fb: display: add support of mdp clocks controlled by vsync

Mdp related clocks are controlled through vsync enable/disable
ioctl from userspace frame work.

Crs-fixed: 384482
Change-Id: I5999ad17955e0f862f64036a6390016ff3a6782f
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>

Conflicts:

	drivers/video/msm/mdp4_overlay_dsi_cmd.c

Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>
10 files changed