msm: camera: ope: Add check for number of stripe

There is possibility that ope driver gets invalid
number of stripes. Add a check to validate it and
return failure to user-space.

CRs-Fixed: 2664479
Change-Id: Ic80d3376b853e500b793b0b5d051288f2a2640ba
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>