[CR] Fix cpufreq_driver compatibility with kernel lower than 3.14
#24
| Job | Run time |
|---|---|
| 1m 30s | |
| 58s | |
| 56s | |
| 53s | |
| 57s | |
| 41s | |
| 25s | |
| 2m 22s | |
| 2m 10s | |
| 2m 21s | |
| 1m 59s | |
| 1m 56s | |
| 41s | |
| 35s | |
| 18m 24s |