i2c: add Phytium i2c driver

phytium inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8AXAT


CVE: NA

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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.

Signed-off-by: Jiakun Shuai <shuaijiakun1288@phytium.com.cn>
Signed-off-by: Cheng Quan <chengquan@phytium.com.cn>
Signed-off-by: Feng Jun <fengjun@phytium.com.cn>
Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn>