[Board] DIY "t-energy-s3_e22" (#4782)

* New variant "t-energy-s3_e22"

- Lilygo T-Energy-S3
- NanoVHF "Mesh-v1.06-TTGO-T18" board
- Ebyte E22 Series

* add board_level = extra

* Update variant.h

---------

Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com>
Co-authored-by: Tom Fifield <tom@tomfifield.net>

variants/diy/platformio.ini

@@ -69,4 +69,22 @@ build_flags = ${nrf52840_base.build_flags}
 build_src_filter = ${nrf52_base.build_src_filter} +<../variants/diy/nrf52_promicro_diy_tcxo>
 lib_deps = 
   ${nrf52840_base.lib_deps}
-debug_tool = jlink
+debug_tool = jlink
+
+; NanoVHF T-Energy-S3 + E22(0)-xxxM - DIY
+[env:t-energy-s3_e22]
+extends = esp32s3_base
+board = esp32-s3-devkitc-1
+board_level = extra
+board_upload.flash_size = 16MB ;Specify the FLASH capacity as 16MB
+board_build.arduino.memory_type = qio_opi ;Enable internal PSRAM
+build_unflags =
+  ${esp32s3_base.build_unflags}
+  -D ARDUINO_USB_MODE=1
+build_flags =
+  ${esp32s3_base.build_flags}
+  -D EBYTE_ESP32_S3
+  -D BOARD_HAS_PSRAM
+  -D ARDUINO_USB_MODE=0
+  -D ARDUINO_USB_CDC_ON_BOOT=1
+  -I variants/diy/t-energy-s3_e22