crypto: msm: Fix SHA-1/256 zero length input data issue

Crypto module generating wrong hash value for zero length input data
using SHA1 and SHA256 functions. This patch fixes the issue to generate
proper hash value.

Change-Id: I795969cf2d3e3887064d56e35cbb488937051ac8
Signed-off-by: AnilKumar Chimata <anilc@codeaurora.org>