mt76: fix system recovery routine for MT7915 #4687
| Job | Run time |
|---|---|
| 5s | |
| 1h 33m 11s | |
| 1h 42m 40s | |
| 1h 34m 37s | |
| 1h 29m 6s | |
| 1h 30m 29s | |
| 1h 23m 16s | |
| 1h 30m 31s | |
| 1h 32m 38s | |
| 1h 32m 22s | |
| 1h 30m 14s | |
| 1h 31m 59s | |
| 1h 31m 31s | |
| 1h 31m 41s | |
| 1h 39m 7s | |
| 1h 37m 21s | |
| 1h 28m 56s | |
| 1h 29m 5s | |
| 1h 29m 43s | |
| 1h 29m 39s | |
| 1h 27m 47s | |
| 1h 18m 5s | |
| 1h 39m 54s | |
| 1h 25m 55s | |
| 1h 43m 26s | |
| 1h 38m 19s | |
| 1h 41m 9s | |
| 1h 45m 51s | |
| 1h 37m 13s | |
| 1h 38m 44s | |
| 1h 36m 54s | |
| 1h 28m 25s | |
| 2d 0h 9m 53s |