submodule: bump openthread from ff19e03 to 7ec2c31
#2125
| Job | Run time |
|---|---|
| 1s | |
| 3m 15s | |
| 19m 18s | |
| 19m 18s | |
| 0s | |
| 41m 52s |
ff19e03 to 7ec2c31
#2125
| Job | Run time |
|---|---|
| 1s | |
| 3m 15s | |
| 19m 18s | |
| 19m 18s | |
| 0s | |
| 41m 52s |