Merge remote-tracking branch 'kraxel/usb.75' into staging

Merge remote-tracking branch 'kraxel/usb.75' into staging

* kraxel/usb.75: (32 commits)
  uhci: stop using portio lists
  usbredir: Add support for buffered bulk input (v2)
  exynos4210: Add EHCI support
  usb/ehci: Add SysBus EHCI device for Exynos4210
  usb/ehci: Move capsbase and opregbase into SysBus EHCI class
  usb/ehci: Clean up SysBus and PCI EHCI split
  xhci: call set-address with dummy usbpacket
  usb-redir: Add debugging to bufpq save / restore
  usbredir: Add usbredir_init_endpoints() helper
  usbredir: Verify we have 32 bits bulk length cap when redirecting to xhci
  usbredir: Add ep_stopped USBDevice method
  usbredir: Add USBEP2I and I2USBEP helper macros
  usbredir: Add an usbredir_stop_ep helper function
  usb: Add an usb_device_ep_stopped USBDevice method
  usb: Fix usb_ep_find_packet_by_id
  hid: Change idle handling to use a timer
  uhci: Maximize how many frames we catch up when behind
  uhci: Limit amount of frames processed in one go
  uhci: Add a QH_VALID define
  uhci: Fix pending interrupts getting lost on migration
  ...

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>