Revert "i2c: smbus: Use device_*() functions instead of of_*()"

This reverts commit 19e9b89c which is
commit a263a840 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I14fcba75556ae35b7312fb7cd44a36f0c0e421a9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>