Add support for the GC9D01 driver #3783
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Add support for the GC9D01 driver
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This PR adds support for the GC9D01 driver chip used in the Waveshare 0.71" round LCD board with an 160 x 160 pixel IPS display.
This integration was successfully tested with an RP2350 Raspberry Pi Pico 2W using SPI. The setup includes both the tested pin configuration and the one published by Waveshare in their demo for the ESP32-C6.