ARM: ux500: Remove Snowball DTS entry for TPS61052 chip

TPS61052 is a; boost converter, LED driver, LED flash driver and
simple GPIO pin chip. It has no use here however, as it is not
found 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

@@ -165,13 +165,6 @@ uart@80007000 {
 			status = "okay";
 		};
 
-		i2c@80004000 {
-			tps61052@33 {
-				//compatible = "tps61052";
-				reg = <0x33>;
-			};
-		};
-
 		i2c@80128000 {
 			bh1780@29 {
 				// compatible = "rohm,bh1780gli";