Merge remote-tracking branch 'kraxel/usb.90' into staging

Merge remote-tracking branch 'kraxel/usb.90' into staging

# By Hans de Goede (6) and Gerd Hoffmann (1)
# Via Gerd Hoffmann
* kraxel/usb.90:
  usb: Fix iovec memleak on combined-packet free
  usb: Also reset max_packet_size on ep_reset
  xhci: Fix memory leak on xhci_disable_ep
  xhci: Add xhci_epid_to_usbep helper function
  xhci: Init a transfers xhci, slotid and epid member on epctx alloc
  xhci: Fix number of streams allocated when using streams
  usb: remove old usb-host code

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