msm: mdss: Change completion to completion timeout

To fix boot failure when pending dsi command, change completion to
completion timeout. It would be able to boot without panel.

Change-Id: Iaee77df35cf59c99cec8a3784fe185e06cbfd21e
Signed-off-by: Han Jun-Yeong <junyeong.han@lge.com>
Signed-off-by: Devin Kim <dojip.kim@lge.com>
msm: mdss: Update notify on assertive display calculation

When assertive display finishes a calculation it will cause an update to
the values on the screen independent of display commits. This maintains the
logic of the update notify ioctl.

Change-Id: I6a633931db3220b33def17aa1ec1c97207c2c2fd
Signed-off-by: Carl Vanderlip <carlv@codeaurora.org>