!1134 【openEuler-1.0-LTS】cpufreq:conservative: Fix load in fast_dbs_update()

Merge Pull Request from: @xuesinian 
 
Remove "dbs_update(policy)" for getting load in fast_dbs_update(), incoming "load" from cs_dbs_update().

Load results are inaccurate after two consecutive updates, resulting in inaccurate frequency scaling.

Related issue : #I7DJU2  
 
Link:https://gitee.com/openeuler/kernel/pulls/1134

 

Reviewed-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>