Nokia RX-51: Move board required options from defconfig to Kconfig

Some of config options are board specific and should be set in into their
default values automatically. So move them from defconfig file to Kconfig
definitions to ensure that possible user custom defconfig files would have
these required options also enabled.

Signed-off-by: Pali Rohár <pali@kernel.org>
diff --git a/arch/arm/mach-omap2/omap3/Kconfig b/arch/arm/mach-omap2/omap3/Kconfig
index 18574ab..3e97ec2 100644
--- a/arch/arm/mach-omap2/omap3/Kconfig
+++ b/arch/arm/mach-omap2/omap3/Kconfig
@@ -108,6 +108,11 @@
 config TARGET_NOKIA_RX51
 	bool "Nokia RX51"
 	select POSITION_INDEPENDENT
+	select SKIP_LOWLEVEL_INIT
+	select SUPPORT_PASSING_ATAGS
+	select CMDLINE_TAG
+	select INITRD_TAG
+	select REVISION_TAG
 
 config TARGET_TAO3530
 	bool "TAO3530"