msm: vidc: Fix tile alignment of buffer for some resolution

Fix buffer size calculation for NV12, NV21 and UBWC color format to
accommodate last row buffers for all frames whose width and height
are greater than 2400 pixels and size is not a multiple of 512x512

Change-Id: I6ea19e479f64b20b980df6cb0ac94ad524a82c01
CRs-Fixed: 2265460
Signed-off-by: Amit Shekhar <ashekhar@codeaurora.org>