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H A Dtee_rpmb_fs.cfcd00ceac7b4b754c40b506fdb0ff204451eb007 Mon Jun 24 17:37:58 UTC 2019 Victor Chong <victor.chong@linaro.org> rpmb: fix parsing of op_result

From the eMMC spec, the "Operation result" (Table 19) -- 7 bit quantity
-- is the LSB of "Operation Results data structure" -- 16-bit quantity
-- minus the high order bit. In other words it is
'rpmb_data_frame::op_result[1] & 0x7F' which is probably what we should
be doing here instead of bytes_to_u16().

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>