ARM: dts: omap4-droid4: Add accelerometer

Add accelerometer.
Signed-off-by: NSebastian Reichel <sre@kernel.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap4-droid4-xt894.dts

@@ -280,4 +280,18 @@
 				  "0", "0", "-1";
 
 	};
+
+	lis3dh: accelerometer@18 {
+		compatible = "st,lis3dh-accel";
+		reg = <0x18>;
+
+		vdd-supply = <&vhvio>;
+
+		interrupt-parent = <&gpio2>;
+		interrupts = <2 IRQ_TYPE_EDGE_BOTH>; /* gpio34 */
+
+		rotation-matrix = "0", "-1", "0",
+				  "1", "0", "0",
+				  "0", "0", "1";
+	};
 };