mmc: do not swap MAC/DATA/NONCE before/afters send write/read request

mmc: do not swap MAC/DATA/NONCE before/afters send write/read request

BZ: 25412

when prepare RPMB read/write frames, no need to swap MAC/DATA/NONCE, so
remove the swap operation

Change-Id: Id46917974b4ef3dcc6a504a0cdf5e6ec6de76585
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Reviewed-on: http://android.intel.com:8080/36823
Reviewed-by: Monroy, German <german.monroy@intel.com>
Reviewed-by: Tang, Richard <richard.tang@intel.com>
Tested-by: Sun, Jianhua <jianhua.sun@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>