armv8/ls1043aqds: add DSPI support

Enable three DSPI flash memories on board.

Commands:
=> sf probe 1:0
SF: Detected N25Q128A with page size 256 Bytes,
				erase size 64 KiB, total 16 MiB
=> sf probe 1:1
SF: Detected SST25WF040B with page size 256 Bytes,
				erase size 4 KiB, total 512 KiB
=> sf probe 1:2
SF: Detected EN25S64 with page size 256 Bytes,
				erase size 64 KiB, total 8 MiB

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls1043aqds_defconfig b/configs/ls1043aqds_defconfig
index 1fd530d..f7113c5 100644
--- a/configs/ls1043aqds_defconfig
+++ b/configs/ls1043aqds_defconfig
@@ -4,3 +4,6 @@
 CONFIG_SYS_NS16550=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-duart"
 CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y
diff --git a/configs/ls1043aqds_nand_defconfig b/configs/ls1043aqds_nand_defconfig
index e9d5afd..8d4370f 100644
--- a/configs/ls1043aqds_nand_defconfig
+++ b/configs/ls1043aqds_nand_defconfig
@@ -3,3 +3,8 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1043AQDS=y
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-duart"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y
diff --git a/configs/ls1043aqds_nor_ddr3_defconfig b/configs/ls1043aqds_nor_ddr3_defconfig
index 5221ddb..bc76996 100644
--- a/configs/ls1043aqds_nor_ddr3_defconfig
+++ b/configs/ls1043aqds_nor_ddr3_defconfig
@@ -1,3 +1,8 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1043AQDS=y
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-duart"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y
diff --git a/configs/ls1043aqds_sdcard_ifc_defconfig b/configs/ls1043aqds_sdcard_ifc_defconfig
index 6765d3d..0409e33 100644
--- a/configs/ls1043aqds_sdcard_ifc_defconfig
+++ b/configs/ls1043aqds_sdcard_ifc_defconfig
@@ -3,3 +3,8 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1043AQDS=y
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-duart"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y