UBUNTU: SAUCE: crypto: msm: multi partition FDE support with separate keys

Multiple partitions will get encrypted using FDE encryption and
each of those partitions will have its own key through which the
corresponding partitions get encrypted/decrypted.

Change-Id: I6b12e1195fee06c666674946404074b08ecc3bf8
Signed-off-by: Pruthvi Kurada <pkurada@codeaurora.org>
(source: https://qualcomm-cdmatech-support.my.salesforce.com/5004V000017y3gw)
(https://www.codeaurora.org/patches/quic/le/PATCH_457942_SBAforTaskidCaseid_20210910.tar.gz

)
Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>