drivers: net: phy: Fix spelling in comment defalut to default

Fixed spelling in comment like below:

s/defalut/default/p

This is in linux-next.
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201029095525.20200-1-unixbhaskar@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/phy/marvell.c

@@ -696,7 +696,7 @@ static void marvell_config_led(struct phy_device *phydev)
 
 static int marvell_config_init(struct phy_device *phydev)
 {
-	/* Set defalut LED */
+	/* Set default LED */
 	marvell_config_led(phydev);
 
 	/* Set registers from marvell,reg-init DT property */