Merge tag 'arm-soc/for-6.14/devicetree' of https://github.com/Broadcom/stblinux into...

This pull request contains Broadcom ARM-based SoCs Device Tree updates
for 6.14, please pull the following:

- Rob removes some unused and undocumented properties pertaining to the
  SPI flash controller on Broadcom boards

- Linus adds a number of BCM6846 peripherals: HWRNG, watchdog, GPIO,
  MDIO, LED controller, DMA and then proceeds with adding support for
  the GEnexsis XG6846B PON router

- Rosen sets the MAC address NVMEM reference on the Meraki MR26 platform

* tag 'arm-soc/for-6.14/devicetree' of https://github.com/Broadcom/stblinux:
  ARM: dts: meraki-mr26: set mac address for gmac0
  ARM: dts: broadcom: Add Genexis XG6846B DTS file
  dt-bindings: arm: bcmbca: Add Genexis XG6846B
  dt-bindings: vendor-prefixes: Add Genexis
  ARM: dts: bcm6846: Add ARM PL081 DMA block
  ARM: dts: bcm6846: Add LED controller
  ARM: dts: bcm6846: Add MDIO control block
  ARM: dts: bcm6846: Add GPIO blocks
  ARM: dts: bcm6846: Enable watchdog
  ARM: dts: bcm6846: Add iproc rng
  arm: dts: broadcom: Remove unused and undocumented properties

Link: https://lore.kernel.org/r/20250109224756.3632025-1-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>