ARM: ux500: Remove Snowball DTS entry for National Semiconductor LP5521 LED chip

It doesn't exist on the Snowball development board.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>

arch/arm/boot/dts/snowball.dts

@@ -173,14 +173,6 @@ tps61052@33 {
 		};
 
 		i2c@80128000 {
-			lp5521@33 {
-				// compatible = "lp5521";
-				reg = <0x33>;
-			};
-			lp5521@34 {
-				// compatible = "lp5521";
-				reg = <0x34>;
-			};
 			bh1780@29 {
 				// compatible = "rohm,bh1780gli";
 				reg = <0x33>;