arm64: dts: mt7986: add Bananapi R3
Add support for Bananapi R3 SBC. - SD/eMMC support (switching first 4 bits of data-bus with sw6/D) - SPI-NAND/NOR support (switched CS by sw5/C) - all rj45 ports and both SFP working (eth1/lan4) - all USB-Ports + SIM-Slot tested - i2c and all uarts tested - wifi tested (with eeprom calibration data) The device can boot from all 4 storage options. Both, SPI and MMC, can be switched using hardware switches on the board, see https://wiki.banana-pi.org/Banana_Pi_BPI-R3#Jumper_setting Signed-off-by:Frank Wunderlich <frank-w@public-files.de> Link: https://lore.kernel.org/r/20230106152845.88717-6-linux@fw-web.de Signed-off-by: