HIL

Use raw `u64` instead of `chrono` on RTC API #5320

Job	Run time
Build HIL Tests \| esp32c2	2m 15s
Build HIL Tests \| esp32c3	3m 21s
Build HIL Tests \| esp32c6	3m 49s
Build HIL Tests \| esp32h2	3m 28s
Build HIL Tests \| esp32	6m 33s
Build HIL Tests \| esp32s2	5m 25s
Build HIL Tests \| esp32s3	5m 22s
Build xtasks	3m 5s
Run HIL Tests \| ${{ matrix.target.soc }}	1s
	33m 19s

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