corvus DTS / DM support

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
[rebase on current ToT, don't delete gurnard DTB creation]
Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 6180699..0ff0d1d 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -122,6 +122,10 @@
 	bool "Support corvus"
 	select CPU_ARM926EJS
 	select SUPPORT_SPL
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+	select DM_ETH
 
 config TARGET_TAURUS
 	bool "Support taurus"