Merge tag 'arm-soc/for-4.14/devicetree-arm64' of http://github.com/Broadcom/stblinux into next/dt64

Pull "Broadcom devicetree-arm64 changes for 4.14" from Florian Fainelli:

This pull request contains Broadcom ARM64-based SoCs Device Tree changes for
4.14, please pull the following:

- Scott moves all the Northstar 2 DTS files into a sub-directory to be consistent
  with what was done for stingray and to future proof the addition of new board
  DTS files

- Velibor adds the ARM CCN-502 interconnect DT node to the Stingray SoC
  DTS include file

- Srinath adds the MDIO multiplexer and SATA nodes to the Stingray DTS
  include files

- Anup adds the SP804 timers, FlexRM (mailbox) and RAID engine DT nodes
  to the Stingray DTS include files

- Abishek adds the BGMAC (Ethernet controller) node to the Stingray DTS
  files

* tag 'arm-soc/for-4.14/devicetree-arm64' of http://github.com/Broadcom/stblinux:
  arm64: dts: Add SBA-RAID DT nodes for Stingray SoC
  arm64: dts: Add FlexRM DT nodes for Stingray
  arm64: dts: Add SATA DT nodes for Stingray SoC
  arm64: dts: Add DT node to enable BGMAC driver on Stingray
  arm64: dts: Add sp804 DT nodes for Stingray SoC
  arm64: dts: Add MDIO multiplexer DT node for Stingray
  arm64: dts: Enable stats for CCN-502 interconnect on Stingray
  arm64: dts: move ns2 into northstar2 directory