msm: vidc: Enable system cache for video on sdm845

Enabling system cache by default for video on release build.
These changes are enabled after verification on target.
After enabling these changes every video usecase will use
system cache.

CRs-Fixed: 2053200

Change-Id: I7c5f415faedcd1626d4ed3f76185957d16effe33
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>