since the related code was removed by:
commit 4d5a964f29
Author: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
Date: Tue Feb 23 18:04:13 2021 +0800
net: unify socket into file descriptor
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
It’s an RP2040 based device with some interesting features:
+ small form factor (18x21.3mm)
+ 8 MByte Flash
+ RGB LED
+ Reset Button
+ USB-C
- reduced pin-header
Support in derived from: boards/arm/rp2040/raspberrypi-pico
Location: boards/arm/rp2040/pimoroni-tiny2040