fstab: cleanup and lollipop bringup

* remove unecessary and dangerous entries
* add usb otg support

Change-Id: I0e17b9313d75a67745bba0949d86503dc4887b81
init: cleanup and bringups

* mercilessly stolen from v500

Change-Id: I2cf64d5440726030b921b7cafb852f26fdd1cf64