Remove address-of operator ('&') when assigning `init_fn`
function pointer in `DEVICE_DT_INST_DEFINE` macro.
This change aims to maintain consistency among the drivers in
`drivers/serial`, ensuring that all function pointer assignments
follow the same pattern.
Signed-off-by: Pisit Sawangvonganan <pisit@ndrsolution.com>
Implements a UART driver using PIO. Both PIOs are supported.
Only polling API is supported. Only 8N1 mode is supported.
Signed-off-by: Yonatan Schachter <yonatan.schachter@gmail.com>