linux-imx

MA-15789-1 usb: cdns3: gadget: move USB interrupt handling to thread irq

Since the endpoint interrupt handling is at thread irq, to align with
it, move USB interrupt handling to thread irq, otherwise, it may has
lock recursion issue.

Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>