ARM: dts: am57xx-beagle-x15: Add eeprom information

Add EEPROM at 0x50 that describes the board configuration.
This is useful for userspace programs that may need to check board
revision and other similar information.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-beagle-x15.dts

@@ -591,6 +591,11 @@ tlv320aic3104: tlv320aic3104@18 {
 		DRVDD-supply = <&vdd_3v3>;
 		DVDD-supply = <&aic_dvdd>;
 	};
+
+	eeprom: eeprom@50 {
+		compatible = "at,24c32";
+		reg = <0x50>;
+	};
 };
 
 &i2c3 {