Espressif port: add OLED and PMU support for LilyGO T-Beam Supreme

[lyusupov]

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Description of Change

This PR is a successor of

• https://github.com/adafruit/tinyuf2/pull/262
• https://github.com/adafruit/tinyuf2/pull/265
• https://github.com/adafruit/tinyuf2/pull/266 draft

It contains:

• the board specific initialization code
• minor update of ports/espressif/boards/boards.c and ports/espressif/boards/CMakeLists.txt files to activate of an external board specific initialization procedure