Staging: go7007: add sensoray 2250/2251 support

This is the driver for the Sensoray 2250/2251 USB devices added to
go7007 driver.


Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/go7007/wis-i2c.h b/drivers/staging/go7007/wis-i2c.h
index 993f658..431f41d 100644
--- a/drivers/staging/go7007/wis-i2c.h
+++ b/drivers/staging/go7007/wis-i2c.h
@@ -23,6 +23,7 @@
 #define	I2C_DRIVERID_WIS_SAA7113	0xf0f4
 #define	I2C_DRIVERID_WIS_OV7640		0xf0f5
 #define	I2C_DRIVERID_WIS_TW2804		0xf0f6
+#define	I2C_DRIVERID_S2250		0xf0f7
 #define	I2C_ALGO_GO7007			0xf00000
 #define	I2C_ALGO_GO7007_USB		0xf10000