ARM: dts: Add Raspberry Pi Compute Module 4
The Raspberry Pi Compute Module 4 (CM4) are SoMs which contain the
following:
* BCM2711 quad core processor
* up to 8 GB RAM
* up to 32 GB eMMC
* a GPIO expander
* Gigabit PHY BCM54210PE
* Wifi/BT module with internal and external antenna
The eMMC and the Wifi/BT module are optional.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1628334401-6577-9-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>