disp: msm: avoid esd check during pm_suspend state

Avoid esd check during pm_suspend state because core
clock enable will fail. This change adds additional
check and also adds the clock enable failure check.

Change-Id: Ie8bfa4f74d323ff15a07fb037675f07ab942f016
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>