bbb: add memory settings-s

src/arm/am335x-boneblack-common.dtsi

@@ -78,7 +78,7 @@
 };
 
 &i2c0 {
-	tda19988: tda19988 {
+	tda19988: tda19988@70 {
 		compatible = "nxp,tda998x";
 		reg = <0x70>;
 
@@ -120,6 +120,11 @@
 };
 
 / {
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>; /* 512 MB */
+	};
+
 	clk_mcasp0_fixed: clk_mcasp0_fixed {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";