doxygen: fix duplicated defgroup for clock #6878
| Job | Run time |
|---|---|
| 37s | |
| 6m 3s | |
| 8m 59s | |
| 5m 46s | |
| 10m 21s | |
| 5m 49s | |
| 3m 32s | |
| 6m 6s | |
| 8m 42s | |
| 12m 12s | |
| 2m 48s | |
| 1m 7s | |
| 6m 16s | |
| 4m 45s | |
| 50s | |
| 4m 54s | |
| 7m 23s | |
| 5m 21s | |
| 1m 18s | |
| 1m 28s | |
| 1m 50s | |
| 1m 10s | |
| 7m 9s | |
| 1m 32s | |
| 1m 0s | |
| 1m 47s | |
| 2m 44s | |
| 0s | |
| 2h 1m 29s |