armv8/ls1043aqds: dts: add dtb support

Reuse the dts files from ls1043a linux kernel.

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/configs/ls1043aqds_defconfig b/configs/ls1043aqds_defconfig
index 18e0e5d..60fb0ad 100644
--- a/configs/ls1043aqds_defconfig
+++ b/configs/ls1043aqds_defconfig
@@ -2,3 +2,5 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1043AQDS=y
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds"
+CONFIG_OF_CONTROL=y