Merge tag 'keystone_dts_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt

Merge "ARM: dts: Keystone DTS for 4.9" from Santosh Shilimkar

Add K2G nodes for GPIO, IRQ and Message Manager

* tag 'keystone_dts_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: dts: keystone-k2g: Add Message Manager node
  ARM: dts: keystone-k2g: Add DSP GPIO controller node
  ARM: dts: keystone-k2g: Add keystone IRQ controller node
  ARM: dts: keystone-k2g: Add device state controller node
  ARM: dts: keystone: specify usb mode explicitly