msm_fb: display: Assign proper destination rectangles to mdp blit
Add check for (90 + Flip Horizontal) and Flip Vertical cases to assign
proper destination rectangle parameters to avoid corrupted frame
buffer content.

CRs-Fixed: 344807
Change-Id: I7e7b0b8d26f08f63a6f9c55eedd37f31cf0348d7
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>