ARM: dts: sunxi: add support for NetCube Systems Nagami SoM

ARM: dts: sunxi: add support for NetCube Systems Nagami SoM

NetCube Systems Nagami SoM is a module based around the Allwinner T113s
SoC. It includes the following features and interfaces:

- 128MB DDR3 included in SoC
- 10/100 Mbps Ethernet using LAN8720A phy
- One USB-OTG interface
- One USB-Host interface
- One I2S interface with in and output support
- Two CAN interfaces
- ESP32 over SDIO
- One SPI interface
- I2C EEPROM for MAC address
- One QWIIC I2C Interface with dedicated interrupt pin shared with EEPROM
- One external I2C interface
- SD interface for external SD-Card

Signed-off-by: Lukas Schmid <lukas.schmid@netcube.li>
Link: https://patch.msgid.link/20250831162536.2380589-4-lukas.schmid@netcube.li
[wens@csie.org: fix up pinctrl names for i2c* and i2s_d*;
		fix indentation for gpio-line-names and rmii_pe_pins;
		fix "pre-magnetics" typo in comment]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>