Frank 0dfc884c64 very medium updates (GPIO info, part1) ...

Improvements for debugging GPIO conflicts. HTML UI integration still pending.

* pinManager can be asked for pin owner (String) and pin special purpose (string).
* wled.cpp: show GPIO allocation when compiling with WLED_DEBUG
* pinmanager: show Pin Owner as name when possible.

The results looks like this

GPIO    | Assigned to           | Info
--------|-----------------------|------------
i/o   0   Button
i/o   1   debug                   Serial TX
i/o   2   DMX out
i/o   3   ./.                     Serial RX
i/o   5   ./.                     SPI SS
i/o  15   AudioReactive (UM)
i/o  16   LEDs (digital)
i/o  17   Relay
i/o  18   ./.                     SPI CLK
i/o  19   IR Receiver             SPI MISO
i/o  21   I2C                     I2C SDA
i/o  22   I2C                     I2C SCL
i/o  23   ./.                     SPI MOSI
i/o  32   AudioReactive (UM)

2022-12-02 00:11:28 +01:00

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