ARM: dts: dra7: drop legacy cpsw dt node

All dra7/am57 boards converted to use new driver, so drop legacy
cpsw dt node.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index cca6b12..4e1bbc0 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -37,8 +37,8 @@ aliases {
 		serial7 = &uart8;
 		serial8 = &uart9;
 		serial9 = &uart10;
-		ethernet0 = &cpsw_emac0;
-		ethernet1 = &cpsw_emac1;
+		ethernet0 = &cpsw_port1;
+		ethernet1 = &cpsw_port2;
 		d_can0 = &dcan1;
 		d_can1 = &dcan2;
 		spi0 = &qspi;