i2c: remove redundant of_match_ptr

The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --cc drivers/i2c/busses/i2c-davinci.c
Simple merge

diff --cc drivers/i2c/busses/i2c-mv64xxx.c
Simple merge

diff --cc drivers/i2c/muxes/i2c-arb-gpio-challenge.c
Simple merge

diff --cc drivers/i2c/muxes/i2c-mux-gpio.c
Simple merge