davinci: omapl138_lcdk: configure ddr2

The SPL is unable to load u-boot because the DDR2 is not configured.
Configure the DDR2.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 067b6c3..c593dad 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -23,6 +23,7 @@
 	bool "OMAPL138 LCDK"
 	select SUPPORT_SPL
 	select SYS_DA850_PLL_INIT
+	select SYS_DA850_DDR_INIT
 
 config TARGET_CALIMAIN
 	bool "Calimain board"