i2c: Get rid of I2C_CLIENT_MODULE_PARM

There is no user left of I2C_CLIENT_MODULE_PARM, so we can finally
get rid of this ugly macro.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
1 file changed