Merge tag 'arm-soc/for-4.12/devicetree-fixes-2' of http://github.com/Broadcom/stblinux into fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for 4.12,
please pull the following:

- Phil provides a fix for the BCM283x (Raspberry Pi) by flagging the first
  4KiB of physical memory as a reserved region in order to let the secondary
  cores successfully spin until they are brought online

* tag 'arm-soc/for-4.12/devicetree-fixes-2' of http://github.com/Broadcom/stblinux

:
  ARM: dts: bcm283x: Reserve first page for firmware

Signed-off-by: Olof Johansson <olof@lixom.net>