Merge 20 - Add missing header files
#include/linux/i2c/gp2a.h
#include/linux/i2c/gp2ap020.h
#include/linux/i2c/taos.h
#include/linux/i2c/wm8994_amp.h
#include/linux/i2c/yda165.h
#include/linux/i2c/yda165_integ.h

Signed-off-by: cholokei <leesl0416@naver.com>