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H A Dtee_rpmb_fs.c8d22c45dfb817a8274568cbcd1de1d44d2240173 Wed Sep 20 10:05:22 UTC 2017 Peifu Jiang <peifu.jiang@amlogic.com> rpmb: mask off RPV/CRC fields in CID to derive rpmb key

PRV (Product revision) [55:48] and CRC field [7:1] in CID would be
changed when doing eMMC FFU.
It is reasonable to mask off PRV and CRC in CID when using CID to
derive RPMB key.

Signed-off-by: Peifu Jiang <peifu.jiang@amlogic.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>