!93 [openEuler-1.0-LTS] Driver for Zhaoxin CPU core temperature monitoring

Merge Pull Request from: @leoliu-oc 
 
Add support for the temperature sensor inside CPU. Supported are all known variants of the Zhaoxin processors.

### Issue
https://gitee.com/openeuler/kernel/issues/I5J763

### Test
```shell
[zx@openeuler ~]$cd /sys/class/hwmon/hwmon1/
[zx@openeuler hwmon1]$ cat /sys/class/hwmon/hwmon1/name
zhaoxin_cputemp
```

### Known Issue
N/A

### Default config change
N/A 
 
Link:https://gitee.com/openeuler/kernel/pulls/93

 
Reviewed-by: Laibin Qiu <qiulaibin@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>