Added a pinctrl driver for the Raspberry Pi Pico series Signed-off-by: Yonatan Schachter <yonatan.schachter@gmail.com>
Added basic support for the RP2040 SoC. Support includes booting and starting the kernel, on one core only. Signed-off-by: Yonatan Schachter <yonatan.schachter@gmail.com> Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>