ARM: dts: omap2: Correct the dma controller's property names

According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap2.dtsi

@@ -87,8 +87,8 @@ sdma: dma-controller@48056000 {
 				     <14>,
 				     <15>;
 			#dma-cells = <1>;
-			#dma-channels = <32>;
-			#dma-requests = <64>;
+			dma-channels = <32>;
+			dma-requests = <64>;
 		};
 
 		i2c1: i2c@48070000 {