disp: rotator: add ubwc plane atomic check in rotator

In some targets with offline rotator, ubwc might not be
supported. For those cases, this change adds ubwc
verification for plane during atomic check to prevent
crash.

Change-Id: Ie24a7ba823773204062993996746aa08171fe90f
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>