MLK-18591-5 android: iot: Export eMMC RPMB interface for Secure Storage proxy

MLK-18591-5 android: iot: Export eMMC RPMB interface for Secure Storage proxy

Secure Storage service in Trusty OS will compute
the encrypted mmc frame and the rpmb proxy inject the frame
to driver directly. So that need to export RPMB related
interface for Secure Storage proxy use.

Change-Id: I7f69831a20a440f597d323b610fa615fd4344d05
Signed-off-by: Haoran.Wang <elven.wang@nxp.com>
(cherry picked from commit 4d2c1873ce8221e35874265e41dc42a6df169659)
(cherry picked from commit ce4e9dc35ff89a2429224ae6d0ffb4109cb42e28)