i2c-algo-pcf: Style cleanups

cleanup whitespace, fix comments and remove the unused STUB_I2C.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Eric Brower <ebrower@gmail.com>
1 file changed