Properly set both pull up and down flags explicitly when
making changes.
Properly implement disabling interrupts on a given pin.
Signed-off-by: Peter Johanson <peter@peterjohanson.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>