This patch moves usb interrupt enable and status register read functions
from udc driver to core driver to use them in all ci drivers.
Signed-off-by: NPeter Chen <peter.chen@freescale.com>
Acked-by: NPeter Chen <peter.chen@freescale.com>
Signed-off-by: NLi Jun <b47624@freescale.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>