drm/msm/sde: fix invalid QSEED/PE inline rot check

QSEED parameters are set based on post-rotation and
PE parameters are set based on pre-rotation.
Swap the scaler-w/h when the plane has inline rotation 90
enabled to match QSEED & PE src parameters.

Change-Id: I0e134a691ff49ec6d775763e442ee40cfd983c04
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>