Add support for Lilygo T-Deck.

[hreikin]

Adds support for the Lilygo T-Deck device.

[mmuecke]

maybe a help for #2647

[richonguzman]

I tested on another project and confirm that:

1. all pins definition are ok

2)I did not use the following 2 definitions and also all works fine
#define TFT_INVERSION_ON
#define TDECK_PERI_GPIO 10

3. I used
   #define SPI_READ_FREQUENCY 20000000 with 16000000 as a value and also works fine