msm: camera: custom: Disable overflow recovery

This change disables overflow recovery/detection for
custom CSID. Currently for QCOM CSID we enable overflow
detection and freeze on overflow. But for custom HW the
CSID needs to be free running, custom HW will take care
of handling any backpressure from IFE pipeline/DDR.
There is no need to backpressure to CSID in case of custom
HW.

CRs-Fixed: 2524308
Change-Id: I5de62eea0e87674d7ac24bb5ad2f11ff2a5a6b7c
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>