[PATCH v4] i2c: busses: Use min() to improve code

[Qianfeng Rong]

>>   #include <linux/of.h>
>>   #include <linux/pinctrl/consumer.h>
>>   #include <linux/platform_device.h>
>> +#include <linux/minmax.h>
> Do not blindly add a new inclusion to the end of the list. The list as you may
> notice even on this small context suggests that it's ordered. Please, keep
> things in order.
Thanks for your reminder. Best regards, Qianfeng