mfd: dm355 evm MMC/SD card detection
mfd: dm355 evm MMC/SD card detection

Support card detect and writeprotect switches on DM355 EVM.

Signed-off-by: David Brownell <a0d09457d62acbdeb1fae1223575100ccbfffdf9@users.sourceforge.net>
Signed-off-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@deeprootsystems.com>
Signed-off-by: Samuel Ortiz <0ba86cb3f08bbb861958e54bd3438887adb4263c@openedhand.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas