Fixes the following warning when building for host
```
[...]/pico-sdk/src/common/pico_time/time.c: In function 'alarm_pool_dump_key':
[...]/pico-sdk/src/common/pico_time/time.c:282:15: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'uint64_t' {aka 'long long unsigned int'} [-Wformat=]
     printf("%ld", to_us_since_boot(get_entry(pool, id)->target));
             ~~^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
             %I64d
```
		
	
This directory code that is common to all builds regardless of PICO_PLATFORM. It is a mix
of common header files, or high level functionality built entirely using hardware_ or pico_ libraries provided
by the actual target `PICO_PLATFORM``