!2564 [openEuler-1.0-LTS] Add Phytium i2c driver support

Merge Pull Request from: @shuaijiakun 
 
Add Phytium i2c driver for Phytium desktop and embedded platforms.
    
By the way, the ACPI support of this driver is also added in this commit. 
 
Link:https://gitee.com/openeuler/kernel/pulls/2564

 

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Mao HongBo <maohongbo@phytium.com.cn>
Reviewed-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>