net: microchip: sparx5: Fix uninitialized variable in vcap_path_exist()

The "eport" variable needs to be initialized to NULL for this code to
work.

Fixes: 814e7693 ("net: microchip: vcap api: Add a storage state to a VCAP rule")
Signed-off-by: NDan Carpenter <error27@gmail.com>
Reviewed-by: NSteen Hegelund <Steen.Hegelund@microchip.com>
Link: https://lore.kernel.org/r/Y8qbYAb+YSXo1DgR@kiliSigned-off-by: NJakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/microchip/vcap/vcap_api.c

@@ -2010,7 +2010,8 @@ static int vcap_get_next_chain(struct vcap_control *vctrl,
 static bool vcap_path_exist(struct vcap_control *vctrl, struct net_device *ndev,
 			    int dst_cid)
 {
-	struct vcap_enabled_port *eport, *elem;
+	struct vcap_enabled_port *eport = NULL;
+	struct vcap_enabled_port *elem;
 	struct vcap_admin *admin;
 	int tmp;