msm: vidc: Increase the max supported video load on Kona

Maximum usecase load supported in Kona is Decode 1080p@960fps.

CRs-Fixed: 2424420
Change-Id: I9759835431805a96ffb39d4adc30b2b6d8d10f9c
Signed-off-by: Chinmay Sawarkar <chinmays@codeaurora.org>