Merge tag 'zynqmp-dt-for-v5.20' of https://github.com/Xilinx/linux-xlnx into arm/dt

arm64: dts: ZynqMP DT changes for v5.20

- Extend gpio-zynq DT binding (compatible, power-domains, gpio-line-names)
- Fix sm-k26 gpio comment
- Wire AMS device
- Align gpio-keys node names with dtschema

* tag 'zynqmp-dt-for-v5.20' of https://github.com/Xilinx/linux-xlnx:
  arm64: dts: xilinx: align gpio-key node names with dtschema
  arm64: dts: zynqmp: add AMS driver to device tree
  dt-bindings: gpio: zynq: Describe gpio-line-names
  arm64: zynqmp: Fix comment about number of gpio line names
  dt-bindings: gpio: zynq: Add power-domains
  dt-bindings: gpio: zynq: Add missing compatible strings

Link: https://lore.kernel.org/r/452e8c68-b63b-f4f6-a937-67f65c64a8a0@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>