msm: camera: util: Correct the return code

For secure mode, csiphy driver ask for secure stream. Currently
this call always return success. This change return the appropriate
result of failure/success.

CRs-Fixed: 2673418
Change-Id: Ib425ad77e6481888acefdaf843256602aa759cf3
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>