Merge tag 'arm-soc/for-4.19/defconfig-arm64' of https://github.com/Broadcom/stblinux into next/defconfig

This pull request contains Broadcom ARM64-based SoCs defconfig changes
for 4.19, please pull the following changes:

- Stefan enables the Raspberry Pi voltage sensor driver (HWMON) in the
  arm64 defconfig file

- Ray enables the ARM SP805 watchdog driver in the arm64 defconfig file

* tag 'arm-soc/for-4.19/defconfig-arm64' of https://github.com/Broadcom/stblinux:
  arm64: defconfig: add CONFIG_ARM_SP805_WATCHDOG
  arm64: defconfig: Enable RPi voltage sensor
Signed-off-by: Olof Johansson <olof@lixom.net>