ath79: fix gmac compatible in ar9330.dtsi and ag71xx_setup_gmac_933x

1. compatible property in node gmac was wrong

2. ag71xx_setup_gmac_933x should use np of gmac-config and
   not the pointer to gmac. gmac is only used for the reg address.

Signed-off-by: Johann Neuhauser <[email protected]>

target/linux/ath79/dts/ar9330.dtsi

@@ -104,7 +104,7 @@
 		};
 
 		gmac: gmac@18070000 {
-			compatible = "qca,qr9330-gmac";
+			compatible = "qca,ar9330-gmac";
 			reg = <0x18070000 0x4>;
 		};
 	};

target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c

@@ -1317,7 +1317,7 @@ static int ag71xx_setup_gmac(struct device_node *np)
 	}
 
 	if (of_device_is_compatible(np_dev, "qca,ar9330-gmac"))
-		ag71xx_setup_gmac_933x(np_dev, base);
+		ag71xx_setup_gmac_933x(np, base);
 
 	iounmap(base);