usb: chipidea: using devm_request_irq to instead of request_irq

Using devm_request_irq to instead of request_irq.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>