device-fsl

MA-13102 USB: change usb controller property name

The original property name "sys.usb.controller"
is a exported2_system_prop, which is not allowed
to read by vendor process.
Change it to "vendor.usb.config".

Change-Id: I236b21f293e65cef8c40135f30e1e62cdb181cd9
Signed-off-by: Jindong <jindong.yue@nxp.com>
Reviewed-on: http://androidsource.ap.freescale.net/project/6237
Reviewed-by: guoyin.chen <guoyin.chen@nxp.com>
Reviewed-by: zhang sanshan <sanshan.zhang@nxp.com>