msm: vidc: Add support for llc split bandwidth

Support is added to split the DDR & LLC bandwidth.
This will reduce the load on DDR bandwidth.

Change-Id: I33e49bc453b3d27b5723d6edf3c3b70affef7e2e
CRs-Fixed: 2083856
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>