mfd: si476x-i2c: Fix spelling mistakes "Failet" and "gett"

Trivial spelling mistake fixes in dev_err message.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/si476x-i2c.c

@@ -753,7 +753,7 @@ static int si476x_core_probe(struct i2c_client *client,
 				       ARRAY_SIZE(core->supplies),
 				       core->supplies);
 	if (rval) {
-		dev_err(&client->dev, "Failet to gett all of the regulators\n");
+		dev_err(&client->dev, "Failed to get all of the regulators\n");
 		goto free_gpio;
 	}