Add support for LilyGo T-display S3

[hemna]

LilyGo has added ST7789 support for their parallel display on the T-Display S3 here:

https://github.com/Xinyuan-LilyGO/lilygo-micropython/issues/16

Any chance someone can write a driver for this for nano-gui ?

Here is an example for drawing to the display: https://github.com/liangyingy/st7789_binding_micropython/blob/master/examples/framebuf/use_framebuf.py