mmc: retry when SD/MMC reading/writing failed

mmc: retry when SD/MMC reading/writing failed

BZ: 28559

When SD/MMC encounter error during reading/writing, MMC block
layer will reset SD/MMC card and then have a retry with the failed
command. This can improve the stability of the platform.

Change-Id: I4d9b44db75559dfdbc7627742d8c40c8c2ac2865
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Reviewed-on: http://android.intel.com:8080/40110
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>