Merge branch 'master' of git://git.denx.de/u-boot-usb

* 'master' of git://git.denx.de/u-boot-usb

:
  MUSB driver: Timeout is never detected as the while loop does not end
  usb: fix ulpi_set_vbus prototype
  pxa25x: Add UDC registers definitions
  USB: Fix strict aliasing in ohci-hcd
  usb: Optimize USB storage read/write
  ehci: Optimize qTD allocations
  usb_stor_BBB_transport: Do not delay when not required
  usb_storage: Remove EHCI constraints
  usb_storage: Restore non-EHCI support
  ehci-hcd: Boost transfer speed
  ehci: cosmetic: Define used constants
  ehci: Fail for multi-transaction interrupt transfers
  arm:trats: Enable g_dnl composite USB gadget with embedded DFU function on TRATS
  arm:trats: Support for USB UDC driver at TRATS board.
  dfu:cmd: Support for DFU u-boot command
  dfu: MMC specific routines for DFU operation
  dfu: DFU backend implementation
  dfu:usb: DFU USB function (f_dfu) support for g_dnl composite gadget
  dfu:usb: Support for g_dnl composite download gadget.
  ehci: cosmetic: Define the number of qt_buffers

Signed-off-by: Wolfgang Denk <wd@denx.de>