msm: vidc: Enable LLC bandwidth configuration

Configure llc bw according to current load.
It also fixes double bw voting when governor
is enabled.

CRs-Fixed: 2050534
Change-Id: Ib2ea7f341ef0cbe5be036f8af2e36e6d016a7805
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>