Merge tag 'amlogic-dt' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt

Pull "Amlogic 32-bit DT changes for v4.16" from Kevin Hilman:
- meson8: GPIO IRQ support
- switch to stable UART bindings w/correct clock
- add more L2 cache settings
- drop unused ADC clock

* tag 'amlogic-dt' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM: meson: enable MESON_IRQ_GPIO also for MACH_MESON8
  ARM: dts: meson8: enable the GPIO interrupt controller
  ARM: dts: meson8b: use stable UART bindings with correct gate clock
  ARM: dts: meson8: use stable UART bindings with correct gate clock
  ARM: dts: meson: drop "sana" clock from SAR ADC
  ARM: dts: meson8: add more L2 cache settings
  ARM: dts: meson8b: add more L2 cache settings

arch/arm/mach-meson/Kconfig

@@ -23,6 +23,7 @@ config MACH_MESON8
 	default ARCH_MESON
 	select MESON6_TIMER
 	select COMMON_CLK_MESON8B
+	select MESON_IRQ_GPIO
 
 config MACH_MESON8B
 	bool "Amlogic Meson8b SoCs support"