rtc-ds1307: SMBus compatibility
rtc-ds1307: SMBus compatibility

Change i2c access functions to SMBus access functions in order to use the
ds1307 with SMBus adapter.

Signed-off-by: Sebastien Barre <a25fa6b81f18a05bedf0c8e6df67fac069864ca5@sdelcc.com>
Acked-by: David Brownell <e543181633fc0fc2787945ef377537d9112d0c96@pacbell.net>
Tested-by: David Brownell <e543181633fc0fc2787945ef377537d9112d0c96@pacbell.net>
Acked-by: Alessandro Zummo <f0b9bd96bf07bfecc189c62159960134588fafe5@towertech.it>
Acked-by: Jean Delvare <49ad6a9f5aa17024c23048df346d55bda6837e01@linux-fr.org>
Cc: Rodolfo Giometti <0e488276ebb90e07fbdb294269f0caf7aa4deab9@enneenne.com>
Tested-by: Sebastien Barre <a25fa6b81f18a05bedf0c8e6df67fac069864ca5@sdelcc.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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