crypto: msm: Add DLKM support for crypto modules

Crypto modules on various targets will be available as
dynamic loadable modules. Add changes to fix compilation
issues faced while changing the same.

Change-Id: I38ba5244b689094cb40856baefd632afc92d0736
Signed-off-by: Vishvesh Deobhankar <vdeobhan@codeaurora.org>