Fixed preprocessor directives for clock sync #2846

Job	Run time
check-labels / check	2s
build-rti / run (ubuntu-latest)	7s
build-trace-tools / run (ubuntu-latest)	5s
fetch-lf / extract-ref	2s
build-rti / run (macos-latest)	9s
build-trace-tools / run (macos-latest)	7s
unit-tests-multi / run (ubuntu-latest)	10s
build-rti / run (windows-latest)	16s
build-trace-tools / run (windows-latest)	28s
unit-tests-multi / run (macos-latest)	15s
unit-tests-single / run (ubuntu-latest)	8s
unit-tests-single / run (macos-latest)	22s
lf-default-zephyr / zephyr-tests	42m 7s
lf-default-arduino / arduino-tests (ubuntu-latest)	3m 15s
lf-adaptive / regular-tests (ubuntu-latest)	25m 59s
lf-default / regular-tests (ubuntu-latest)	26m 1s
lf-default-arduino / arduino-tests (macos-latest)	4m 22s
lf-adaptive / regular-tests (macos-latest)	28m 54s
lf-default / regular-tests (macos-latest)	27m 31s
lf-adaptive / regular-tests (windows-latest)	1h 33m 30s
lf-default / regular-tests (windows-latest)	1h 35m 1s
lf-gedf-np / regular-tests (ubuntu-latest)	26m 6s
lf-python / regular-tests (ubuntu-latest)	16m 54s
lf-gedf-np / regular-tests (macos-latest)	26m 53s
lf-python / regular-tests (macos-latest)	18m 42s
lf-gedf-np / regular-tests (windows-latest)	1h 49m 34s
lf-python / regular-tests (windows-latest)	1h 6m 31s
	10h 13m 31s

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