submodule: bump openthread from a0f861d to 7b72e97
#2190
| Job | Run time |
|---|---|
| 1s | |
| 3m 32s | |
| 18m 17s | |
| 19m 3s | |
| 0s | |
| 40m 53s |
a0f861d to 7b72e97
#2190
| Job | Run time |
|---|---|
| 1s | |
| 3m 32s | |
| 18m 17s | |
| 19m 3s | |
| 0s | |
| 40m 53s |