msm: 8974: Fix bug in load-freq table calculation

While calculating load, dimensions of 1080p
resolution should be considered as 1088 X 1920.
One of the loads was calculated using 1080 X 1920,
causing the hardware to run at higher frequency.

Change-Id: I2f753fd395b8143a2e01eb7f9c4ced467bf07c44
Signed-off-by: Vinay Kalia <vkalia@codeaurora.org>