* Added UM NanoS3 board.
Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>

* Added UM NanoS3 board.
Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>

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Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>
Co-authored-by: Jan Procházka <90197375+P-R-O-C-H-Y@users.noreply.github.com>