crypto: msm: Remove use of index to address sg entry
crypto: msm: Remove use of index to address sg entry

Treating scatter gather list as an array is and referencing
entries with indexes results in incorrect sg entries.
Tnis is because the sg entries are not contiguous in some
scenarios.

Fix is to use scatterwalk_sg_next() to traverse the sg list.

Change-Id: I1d7ebec779fa18c3ab5f0a6f357ef7fb53d3e9ab
Signed-off-by: Mona Hossain <acf1f709dafbae362ae39414203bf1007742619a@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas