ARM: dts: omap4: 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: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap4.dtsi

@@ -223,8 +223,8 @@
 				     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
 			#dma-cells = <1>;
-			#dma-channels = <32>;
-			#dma-requests = <127>;
+			dma-channels = <32>;
+			dma-requests = <127>;
 		};
 
 		gpio1: gpio@4a310000 {