ARM: dts: omap3-gta04: Add support for magnetometer

Add magnetometer hmc5843 node.
Signed-off-by: NNeilBrown <neilb@suse.de>
Signed-off-by: NMarek Belisko <marek@goldelico.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-gta04.dts

@@ -122,6 +122,12 @@
 			reg = <0x4>;
 		};
 	};
+
+	/* compass aka magnetometer */
+	hmc5843@1e {
+		compatible = "honeywell,hmc5843";
+		reg = <0x1e>;
+	};
 };
 
 &i2c3 {