AT91 dt for 5.15:
- add sama7g5 SoC and associated evaluation kit, the sama7g5-ek
- adaptation of some DT for sama5d27 som1 ek, sama5d4 xplained and
sama5d2 icp boards
- fixes to gpio and shutdown controller nodes for all boards
* tag 'at91-dt-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: dts: at91: use the right property for shutdown controller
ARM: dts: at91: sama5d2_icp: enable digital filter for I2C nodes
ARM: dts: at91: sama5d4_xplained: change the key code of the gpio key
ARM: dts: at91: add conflict note for d3
ARM: dts: at91: add pinctrl-{names, 0} for all gpios
ARM: dts: at91: sama5d27_som1_ek: enable ADC node
ARM: dts: at91: sama5d4_xplained: Remove spi0 node
dt-bindings: atmel-sysreg: add bindings for sama7g5
ARM: dts: at91: add sama7g5 SoC DT and sama7g5-ek
dt-bindings: ARM: at91: document sama7g5ek board
Link: https://lore.kernel.org/r/20210804085000.13233-1-nicolas.ferre@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>