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Update LoRa HAT README.md

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alt-trees/lora-hat/README.md
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# A device tree for my LORA HAT..
Designed to mimic the standard PI gpio assignments for use with PI HAT's
* i2c0 and spi1 ports are located on the same Pins as the PI I2C-1 and SPI-0 on the PI gpio header
* i2c3 is on the same pins as I2C-0 on the Pi (normally reserved as the Pi EEPROM Data pins)
Designed to mimic the standard PI gpio assignments for use with Raspberry Pi HAT's
* i2c**0** and spi**1** ports are located on the same GPIO header pins as the Pi's I2C-**1** and SPI-**0**
* i2c**3** is on the same pins as I2C-0 on the Pi (This is normally reserved as the Pi EEPROM Data pins)
In addition it:
* Brings uart4 out on pins 36 and 38 (so I can leave the console free)
* Has 4 PWM channels for a RGB status led, and I2C screen brightness
* Has 4 PWM channels for a RGB status led, and screen brightness
Nb: screen is https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(A)
```
MangoPI MQ Pro GPIO header (dtb name: MangoPi MQ Pro)