net: marvell: prestera: Correct typo

The function was incorrectly named with a trailing 'r' at the end of
prestera.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210109050622.8081-1-f.fainelli@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/marvell/prestera/prestera_switchdev.c

@@ -652,7 +652,7 @@ static int prestera_port_bridge_vlan_stp_set(struct prestera_port *port,
 	return 0;
 }
 
-static int presterar_port_attr_stp_state_set(struct prestera_port *port,
+static int prestera_port_attr_stp_state_set(struct prestera_port *port,
 					    struct net_device *dev,
 					    u8 state)
 {
@@ -702,7 +702,7 @@ static int prestera_port_obj_attr_set(struct net_device *dev,
 
 	switch (attr->id) {
 	case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
-		err = presterar_port_attr_stp_state_set(port, attr->orig_dev,
+		err = prestera_port_attr_stp_state_set(port, attr->orig_dev,
 						       attr->u.stp_state);
 		break;
 	case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS: