sensors: Add the sensor handle and type define

#include <linux/spinlock.h>

#include <linux/rwsem.h>

#define SENSORS_ACCELERATION_HANDLE		0

#define SENSORS_MAGNETIC_FIELD_HANDLE		1

#define SENSORS_ORIENTATION_HANDLE		2

#define SENSORS_LIGHT_HANDLE			3

#define SENSORS_PROXIMITY_HANDLE		4

#define SENSORS_GYROSCOPE_HANDLE		5

#define SENSORS_PRESSURE_HANDLE			6

#define SENSOR_TYPE_ACCELEROMETER		1

#define SENSOR_TYPE_GEOMAGNETIC_FIELD		2

#define SENSOR_TYPE_MAGNETIC_FIELD  SENSOR_TYPE_GEOMAGNETIC_FIELD

#define SENSOR_TYPE_ORIENTATION			3

#define SENSOR_TYPE_GYROSCOPE			4

#define SENSOR_TYPE_LIGHT			5

#define SENSOR_TYPE_PRESSURE			6

#define SENSOR_TYPE_TEMPERATURE			7

#define SENSOR_TYPE_PROXIMITY			8

#define SENSOR_TYPE_GRAVITY			9

#define SENSOR_TYPE_LINEAR_ACCELERATION		10

#define SENSOR_TYPE_ROTATION_VECTOR		11

#define SENSOR_TYPE_RELATIVE_HUMIDITY		12

#define SENSOR_TYPE_AMBIENT_TEMPERATURE		13

#define SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED	14

#define SENSOR_TYPE_GAME_ROTATION_VECTOR	15

#define SENSOR_TYPE_GYROSCOPE_UNCALIBRATED	16

#define SENSOR_TYPE_SIGNIFICANT_MOTION		17

#define SENSOR_TYPE_STEP_DETECTOR		18

#define SENSOR_TYPE_STEP_COUNTER		19

#define SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR	20

struct sensors_classdev {

	struct device		*dev;

	struct list_head	 node;