davinci: add default Kconfig, add HAVE_IDE

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e02b893..bb57f35 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -585,6 +585,7 @@
 	select ARCH_REQUIRE_GPIOLIB
 	select HAVE_CLK
 	select ZONE_DMA
+	select HAVE_IDE
 	help
 	  Support for TI's DaVinci platform.