davinci: mmc: add a function to control reset state of the controller
davinci: mmc: add a function to control reset state of the controller

Add a helper function which will aid in changing the reset
status of the controller.

Signed-off-by: Chaithrika U S <11b8a6491bc984cfa671197e7fd35937415978d5@ti.com>
Signed-off-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@deeprootsystems.com>
Cc: Vipin Bhandari <4eef3c3cce0c229a7607f038b89e199e5523134e@ti.com>
Cc: Sudhakar Rajashekhara <6cf8da08ebf1f4a1f9d97028ec8f3f45dc6a035f@ti.com>
Cc: <190714b5e3b206b2803d813e21dbfacc2ccf75d1@vger.kernel.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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