crypto: msm: Add support for using PIPE keys

Based on the encryption key value, check if the request
requires using the PIPE keys. If so, set appropriate
configuration registers to indicate to HW to use PIPE keys.

Change-Id: I8ddf6c7b372dc63479e1bd105bbcb8c127ff1513
Signed-off-by: Mona Hossain <mhossain@codeaurora.org>