feat: add zephyr support for nano rp2040

[gibix]

Depends on

• boards: arduino: add nano_rp2040_connect arduino/zephyr#11
• variants: add nano rp2040 connect arduino/ArduinoCore-zephyr#321

[github-actions]

Memory usage change @ 1d418cb

Board	flash	%	RAM for global variables	%
arduino:mbed_nano:nanorp2040connect	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrvidor4000	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrwifi1010	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:nano_33_iot	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0

Click for full report table

Board	examples/PreferencesCounter flash	%	examples/PreferencesCounter RAM for global variables	%	examples/PreferencesValidation flash	%	examples/PreferencesValidation RAM for global variables	%
arduino:mbed_nano:nanorp2040connect	0	0.0	0	0.0	0	0.0	0	0.0
arduino:samd:mkrvidor4000	0	0.0	0	0.0	0	0.0	0	0.0
arduino:samd:mkrwifi1010	0	0.0	0	0.0	0	0.0	0	0.0
arduino:samd:nano_33_iot	0	0.0	0	0.0	0	0.0	0	0.0

Click for full report CSV

Board,examples/PreferencesCounter<br>flash,%,examples/PreferencesCounter<br>RAM for global variables,%,examples/PreferencesValidation<br>flash,%,examples/PreferencesValidation<br>RAM for global variables,%
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrvidor4000,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwifi1010,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:nano_33_iot,0,0.0,0,0.0,0,0.0,0,0.0