[i2c] i2c-remove-redundant-i2c_client-list.patch

[Jean Delvare]

Quoting myself:
> Admittedly it will slow down things a bit as each iteration of the loop
> will have one additional level of indirection. This makes the calling
> code somewhat simpler though. Whether it is worth the additional
> runtime cost, I just don't know. What do you think?

For the records, what I wrote above is not entirely true. By folding
i2c_verify_client() into __i2c_for_each_client(), it is possible to get
the exact same runtime cost (in terms of function call count) as we
have without my proposed change. So performance is not a reason for not
doing it.

-- 
Jean Delvare