arm64: dts: ls1012a: Reorder sai dma-names to clean up DTB_CHECK warning

Change order of sai's dma-names to clearn up below DTB_CHECK warning.

   arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dtb: sai@2b50000: dma-names:1: 'tx' was expected
   arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dtb: sai@2b60000: dma-names:1: 'tx' was expected
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi

@@ -449,9 +449,9 @@ QORIQ_CLK_PLL_DIV(4)>,
 				 <&clockgen QORIQ_CLK_PLATFORM_PLL
 					    QORIQ_CLK_PLL_DIV(4)>;
 			clock-names = "bus", "mclk1", "mclk2", "mclk3";
-			dma-names = "tx", "rx";
-			dmas = <&edma0 1 47>,
-			       <&edma0 1 46>;
+			dma-names = "rx", "tx";
+			dmas = <&edma0 1 46>,
+			       <&edma0 1 47>;
 			status = "disabled";
 		};
 
@@ -469,9 +469,9 @@ QORIQ_CLK_PLL_DIV(4)>,
 				 <&clockgen QORIQ_CLK_PLATFORM_PLL
 					    QORIQ_CLK_PLL_DIV(4)>;
 			clock-names = "bus", "mclk1", "mclk2", "mclk3";
-			dma-names = "tx", "rx";
-			dmas = <&edma0 1 45>,
-			       <&edma0 1 44>;
+			dma-names = "rx", "tx";
+			dmas = <&edma0 1 44>,
+			       <&edma0 1 45>;
 			status = "disabled";
 		};