!1474 [openEuler-1.0-LTS] pmu: remove uncore code for Zhaoxin Platform

Merge Pull Request from: @leoliu-oc 
 
There are some issues that need to be resolved for Zhaoxin Platform.
So remove Zhaoxin uncore code first.

### Issue
https://gitee.com/openeuler/kernel/issues/I7LXCE

### Test
NA

### Known Issue
NA

### Default config change
NA
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1474

 

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