media: ngene: add I2C_FUNC_I2C to the I2C interface functionality

Report I2C_FUNC_I2C in .functionality() as well. The I2C interface can
handle this fine and even is required for all I2C client drivers that
utilise the regmap API which are used from within the ngene driver.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/pci/ngene/ngene-i2c.c

@@ -147,7 +147,7 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
 
 static u32 ngene_i2c_functionality(struct i2c_adapter *adap)
 {
-	return I2C_FUNC_SMBUS_EMUL;
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 static const struct i2c_algorithm ngene_i2c_algo = {