Merge tag 'usb-ci-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-testing

Peter writes:

- Add pinctrl support for dual-role switch at chipidea-core
- improve overcorrent handling for imx
- some small code restructure (no function affect)

* tag 'usb-ci-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
  usb: chipidea: Fix otg event handler
  usb: chipidea: Prevent unbalanced IRQ disable
  doc: usb: ci-hdrc-usb2: Add pinctrl properties definition
  usb: chipidea: Add dynamic pinctrl selection
  usb: chipidea: imx: make MODULE_LICENCE and SPDX-identifier match
  usb: chipidea: imx: enable OTG overcurrent in case USB subsystem is already started
  usb: chipidea: imx: do not use preprocessor conditionals for PM

Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt

@@ -80,6 +80,8 @@ Optional properties:
   controller. It's expected that a mux state of 0 indicates device mode and a
   mux state of 1 indicates host mode.
 - mux-control-names: Shall be "usb_switch" if mux-controls is specified.
+- pinctrl-names: Names for optional pin modes in "default", "host", "device"
+- pinctrl-n: alternate pin modes
 
 i.mx specific properties
 - fsl,usbmisc: phandler of non-core register device, with one