armv8: dts: fsl-ls1046a: add sata node support

One ls1046a, there is one SATA 3.0 advanced host controller interface
which is a high-performance SATA solution that delivers comprehensive
and fully-compliant generation 3 (1.5 Gb/s - 6.0 Gb/s) serial ATA
capabilities, in accordance with the serial ATA revision 3.0 of Serial
ATA International Organization.
Add sata node to support this feature.

Signed-off-by: Peng Ma <peng.ma@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/dts/fsl-ls1046a-rdb.dts b/arch/arm/dts/fsl-ls1046a-rdb.dts
index 136de245..ba30fd2 100644
--- a/arch/arm/dts/fsl-ls1046a-rdb.dts
+++ b/arch/arm/dts/fsl-ls1046a-rdb.dts
@@ -39,3 +39,7 @@
 		reg = <1>;
 	 };
 };
+
+&sata {
+	status = "okay";
+};