smdk4412: configs: Update to new fstab

Change-Id: I7b05248a1fc88a6b92fcbf6cf673c8b1c3dc7b6a

Patchset 1
http://review.cyanogenmod.org/#/c/46122/

Changes by temasek

configs/fstab.smdk4412
voldmanaged=usbdisk0:auto