[PATCH] I2C: Kill common macro abuse in chip drivers

This patch kills a common macro abuse in i2c chip drivers: defining
ALARMS_FROM_REG returning its argument unchanged. Dropping the macro
makes the code somewhat more readable IMHO.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>