Macro async_embedded_traits::impl_delay_ms_for_us_u64

macro_rules! impl_delay_ms_for_us_u64 {
    ($delay:ty) => { ... };
}

Implement AsyncDelayMs<u32>, AsyncDelayMs<u16>, AsyncDelayMs<u8> and AsyncDelayMs<i32> based on the AsyncDelayUs<u64> implementation.