Update psci support to the arm,psci-1.0 to mt8173
Add display PWM driver to mt8173
Add mediatek general porpose timer to mt8173
* tag 'v4.4-next-arm64' of https://github.com/mbgg/linux-mediatek:
arm64: dts: mediatek: mt8173 PSCI-1.0 support
arm64: dts: mt8173: add MT8173 display PWM driver support node
arm64: dts: mt8173: add timer node
Signed-off-by: Olof Johansson <olof@lixom.net>