mfd: palmas: Fixed spelling mistake in error message

Fixed a small spelling mistake ("updat" -> "update") in an error message.

Signed-off-by: Willis Monroe <willismonroe@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index f0c559d..9103aff 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -581,7 +581,7 @@
 			PALMAS_POLARITY_CTRL, PALMAS_POLARITY_CTRL_INT_POLARITY,
 			reg);
 	if (ret < 0) {
-		dev_err(palmas->dev, "POLARITY_CTRL updat failed: %d\n", ret);
+		dev_err(palmas->dev, "POLARITY_CTRL update failed: %d\n", ret);
 		goto err_i2c;
 	}