disp: msm: sde: add ubwc entries to crtc only if supported

In few targets, ubwc might not be supported. In those
cases, ubwc properties should not be added to crtc.

Change-Id: I57d295fca018239ae3695657963d8162d6a50df5
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>