arm64: dts: ls1028a: move rtc alias to individual boards

The aliases are board-specific and shouldn't be included in the common
SoC dtsi. Move them over to the boards.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts

@@ -25,6 +25,7 @@ aliases {
 		spi1 = &dspi2;
 		mmc0 = &esdhc1;
 		mmc1 = &esdhc;
+		rtc1 = &ftm_alarm0;
 	};
 
 	buttons0 {

arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts

@@ -25,6 +25,7 @@ aliases {
 		serial1 = &duart1;
 		mmc0 = &esdhc;
 		mmc1 = &esdhc1;
+		rtc1 = &ftm_alarm0;
 	};
 
 	chosen {

arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts

@@ -21,6 +21,7 @@ aliases {
 		serial1 = &duart1;
 		mmc0 = &esdhc;
 		mmc1 = &esdhc1;
+		rtc1 = &ftm_alarm0;
 	};
 
 	chosen {

arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi

@@ -18,10 +18,6 @@ / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	aliases {
-		rtc1 = &ftm_alarm0;
-	};
-
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;