arm: dts: dra7: fix ethernet name with proper device address

Fix typo error for cpsw device name with proper device address

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

arch/arm/dts/dra7.dtsi

@@ -1411,7 +1411,7 @@
 			ti,irqs-safe-map = <0>;
 		};
 
-		mac: ethernet@4a100000 {
+		mac: ethernet@48484000 {
 			compatible = "ti,cpsw";
 			ti,hwmods = "gmac";
 			clocks = <&dpll_gmac_ck>, <&gmac_gmii_ref_clk_div>;