arm: at91: taurus/axm: add DM and DTS support

add DM and DTS support for the at91 based siemens
boards.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
[rebased on current ToT]
Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/configs/axm_defconfig b/configs/axm_defconfig
index 0e0eadf..d1f0c75 100644
--- a/configs/axm_defconfig
+++ b/configs/axm_defconfig
@@ -1,8 +1,10 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_TAURUS=y
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20-taurus"
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,MACH_TYPE=2068,BOARD_AXM"
+CONFIG_HUSH_PARSER=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CMD_BDI is not set
 CONFIG_CMD_BOOTZ=y
@@ -16,7 +18,8 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_EMBED=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_USE_TINY_PRINTF=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/taurus_defconfig b/configs/taurus_defconfig
index e566f7f..f451515 100644
--- a/configs/taurus_defconfig
+++ b/configs/taurus_defconfig
@@ -1,8 +1,10 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_TAURUS=y
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20-taurus"
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,MACH_TYPE=2067,BOARD_TAURUS"
+CONFIG_HUSH_PARSER=y
 CONFIG_BOOTDELAY=3
 CONFIG_SYS_PROMPT="U-Boot> "
 # CONFIG_CMD_BDI is not set
@@ -19,6 +21,8 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_EMBED=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_USB=y
@@ -28,4 +32,3 @@
 CONFIG_G_DNL_VENDOR_NUM=0x0908
 CONFIG_G_DNL_PRODUCT_NUM=0x02d2
 CONFIG_USE_TINY_PRINTF=y
-CONFIG_OF_LIBFDT=y