Merge tag 'arm-soc/for-7.2/drivers' of https://github.com/Broadcom/stblinux into...

This pull request contains Broadcom SoC drivers changes for 7.2, please
pull the following:

- Justin changes the soc_device driver to be more modern and consolidate
  the initialization

- Chen-Yu updates the BCM2835 firmware Kconfig dependency and adds
  COMPILE_TEST

* tag 'arm-soc/for-7.2/drivers' of https://github.com/Broadcom/stblinux:
  firmware: raspberrypi: Change dependency to ARCH_BCM2835 and COMPILE_TEST
  soc: brcmstb: consolidate initcall functions

Signed-off-by: Arnd Bergmann <arnd@arndb.de>