cmake DWAKEUP_HAS_RTC examples

pimoroni/pimoroni-pico micropython/modules/micropython-enviro.cmake :32 

target_compile_definitions(usermod_wakeup INTERFACE
    -DWAKEUP_HAS_RTC=1
    -DWAKEUP_PIN_MASK=0b01000100
    -DWAKEUP_PIN_DIR=0b01000100
    -DWAKEUP_PIN_VALUE=0b01000100
)