Revert "timed_gpio: backport from CAF @5d92f71"

This reverts commit 03d08307b465271f0c1e3e4413ceaad5096b3b1a.
Revert "genlock: backport from CAF @dc6023b"

This reverts commit 4e125dcb94fbe54a51b244e9e5bf45846e84cddb.