i2c: i2c-nomadik: deprecate class based instantiation

Warn users that class based instantiation is going away soon in favour
of more robust probing and faster bootup times.
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/i2c/busses/i2c-nomadik.c

@@ -1033,7 +1033,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 	adap->dev.of_node = np;
 	adap->dev.parent = &adev->dev;
 	adap->owner	= THIS_MODULE;
-	adap->class	= I2C_CLASS_HWMON | I2C_CLASS_SPD;
+	adap->class	= I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED;
 	adap->algo	= &nmk_i2c_algo;
 	adap->timeout	= msecs_to_jiffies(dev->timeout);
 	snprintf(adap->name, sizeof(adap->name),