Re-add TinyS2 to boards.txt#5093

Merged

me-no-dev merged 4 commits intoespressif:masterfrom

UnexpectedMaker:master

Apr 21, 2021

Commits on Apr 10, 2021

Removed ProS2 and added TinyS2 to boards.txt
UnexpectedMaker
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Commits on Apr 13, 2021

Fixed incorrect NUM_OUTPUT_PINS - should be 47 not 45
UnexpectedMaker
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Commits on Apr 21, 2021

Merge branch 'master' into master

me-no-dev
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UnexpectedMaker
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TinyS2 from boards.txt got stomped with old proS2 stuff (no idea why), so adding it back in.
UnexpectedMaker
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