Merge branch 'topic-0620/samsung-usb-3.4' into chromeos-exynos-3.4

Merge branch 'topic-0620/samsung-usb-3.4' into chromeos-exynos-3.4

* topic-0620/samsung-usb-3.4:
  usb: ehci: Add vbus setup function to the s5p ehci glue layer
  usb: dwc3: Add vbus setup function to the exynos dwc3 glue layer
  usb: xhci: Fix error handling in xhci platform
  usb: exynos: hack: Removing code for mem request for xhci
  usb: dwc3: exynos: hack: Putting the core in host mode
  dt: DWC3: exynos: Add DT support to DWC3
  dt: EHCI: Add DT support to S5P EHCI driver
  DT: OHCI: exynos: Add DT support to OHCI