Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt

From Nicolas Ferre:
Again some nice DT updates for AT91:
- DMA binding update with one patch shared with slave-dma tree
- more SPI DT activation
- enable the USB gadget HS for DT platforms

* tag 'at91-dt' of git://github.com/at91linux/linux-at91:
  ARM: at91: sam9m10g45ek add udc DT support
  ARM: at91: sam9g45 add udc DT support
  ARM: at91: sam9x5ek add udc DT support
  ARM: at91: sam9x5 add udc DT support
  ARM: at91: dt: at91sam9x5: add SPI DMA client infos
  ARM: at91: dt: switch DMA DT bindings to pre-processor
  ARM: at91: dt: add header to define at_hdmac configuration