Merge tag 'arm-soc/for-4.15/soc-part2' of http://github.com/Broadcom/stblinux into next/soc

Pull "Broadcom soc changes for 4.15 (part 2)" from Florian Fainelli:

This pull request contains Broadcom ARM-based SoC changes for 4.15 (second
part), please pull the following:

- Florian adds support for the Broadcom Hurricane 2 SoC machine entry point
  and defines the debug UART address for use with earlyprintk/DEBUG_LL

* tag 'arm-soc/for-4.15/soc-part2' of http://github.com/Broadcom/stblinux:
  ARM: debug: Add Hurricane 2 UART2 debug addresses
  ARM: bcm: Add support for Broadcom Hurricane 2 SoC