ARM: nomadik: set proper compatible for accelerometer

Adjust device tree entry to the proper registered compatible
string for LIS3LV02DL.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>

arch/arm/boot/dts/ste-nomadik-stn8815.dtsi

@@ -722,8 +722,9 @@ stw5095@1a {
 			   reg = <0x1a>;
 		};
 		lis3lv02dl@1d {
-			   compatible = "st,lis3lv02dl";
-			   reg = <0x1d>;
+			/* Accelerometer */
+			compatible = "st,lis3lv02dl-accel";
+			reg = <0x1d>;
 		};
 	};