ARM: kirkwood: Add device-tree for iconnect

Import the dts files from Linux 4.17 and enable CONFIG_OF_CONTROL.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/configs/iconnect_defconfig b/configs/iconnect_defconfig
index bdd01d1..736db90 100644
--- a/configs/iconnect_defconfig
+++ b/configs/iconnect_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0x600000
 CONFIG_TARGET_ICONNECT=y
 CONFIG_IDENT_STRING=" Iomega iConnect"
+CONFIG_DEFAULT_DEVICE_TREE="kirkwood-iconnect"
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="iconnect => "
@@ -18,6 +19,7 @@
 CONFIG_MTDPARTS_DEFAULT="mtdparts=orion_nand:0x80000@0x0(uboot),0x20000@0x80000(uboot_env),-@0xa0000(rootfs)"
 CONFIG_CMD_UBI=y
 CONFIG_ISO_PARTITION=y
+CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_NAND=y
 # CONFIG_MMC is not set
 CONFIG_NETDEVICES=y
@@ -27,4 +29,3 @@
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_LZMA=y
-CONFIG_OF_LIBFDT=y