Enable legacy ICE support with new FBE framework

This change adds new API which does cmdq crypto
initialization for targets having legacy ICE(ICE<3.X).
It populates required cmdq fields needed to achieve
Inline File Encryption.

Change-Id: I71a5c64db529daf8c4afc12b3523c48d8948ab30
Signed-off-by: Jiten Patel <jitepate@codeaurora.org>