ARM: dts: pxa: add dma engine node to pxa3xx-nand

Add the dma client description for pxa3xx-nand to use its dma through
device-tree.
Signed-off-by: NRobert Jarzmik <robert.jarzmik@free.fr>

arch/arm/boot/dts/pxa3xx.dtsi

@@ -30,6 +30,8 @@
 			reg = <0x43100000 90>;
 			interrupts = <45>;
 			clocks = <&clks CLK_NAND>;
+			dmas = <&pdma 97>;
+			dma-names = "data";
 			#address-cells = <1>;
 			#size-cells = <1>;	
 			status = "disabled";