msm: camera: icp: Fix the buffer overflow

Use the proper sanitized num_out_res variable to access
the out_res struct, otherwise can lead to buffer overflow.

Change-Id: I4438e76b706ca4176c873f82efb268dce799c3da
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>