ARM: at91: add ssc dma parameter for at91sam9n12

Add ssc dma parameter for at91sam9n12

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -437,6 +437,9 @@
 				compatible = "atmel,at91sam9g45-ssc";
 				reg = <0xf0010000 0x4000>;
 				interrupts = <28 IRQ_TYPE_LEVEL_HIGH 5>;
+				dmas = <&dma 0 AT91_DMA_CFG_PER_ID(21)>,
+				       <&dma 0 AT91_DMA_CFG_PER_ID(22)>;
+				dma-names = "tx", "rx";
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
 				status = "disabled";