ARM: nomadik: set proper compatible for accelerometer

Adjust device tree entry to the proper registered compatible
string for LIS3LV02DL.

Signed-off-by: Linus Walleij <[e-mail]>
Signed-off-by: Kevin Hilman <[e-mail]>

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

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