As suggested in PR:12530, changed the default names of ESP32S3WROOM chips to ESP32S3WROOM1N4,
ESP32S3WROOM2N16R8, ESP32S3WROOM2N32R8, ESP32S3MINI1N8.
Also regenerated all the defconfigs for board configurations.
Added a custom ESP32S3 module for custom flash configurations.
Declared ESP32S3_PSRAM_8M variable with prompt
The board-level GPIO support is different from the already existing
button and LEDC support because it enable us to register the GPIO
pins as devices in `/dev/gpioX`. Some applications are able to use
this interface to read and write the GPIO pins.
Documentation was added regarding its usage. Please check
`Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst`