Ramdisk: init.presto.usb.rc move to device.mk

Change-Id: I99b63d1960d5826cb92113b1815b4391abb2a08c
Ramdisk: ueventd.rc renamed to ueventd.presto.rc

Change-Id: I40f49f45f0a8c2c5a80bb1c1be443c3c5eeae91d