let's use OK from sys/types.h instead Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Added board files and sample configs for waveshare-rp2040-lcd-1.28. https://www.waveshare.com/wiki/RP2040-LCD-1.28 Signed-off-by: Peter Bee <bijunda1@xiaomi.com>