make sconfig parser regeneration menu selectable

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5688 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/Kconfig b/src/Kconfig
index c86b668..0995e1a 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -80,6 +80,16 @@
 	  Enables the use of ccache for faster builds.
 	  Requires ccache in path.
 
+config SCONFIG_GENPARSER
+	bool "Generate SCONFIG parser using flex and bison"
+	default n
+	depends on EXPERT
+	help
+	  Enable this option if you are working on the sconfig
+	  device tree parser and made changes to sconfig.l and
+	  sconfig.y. 
+	  Otherwise, say N.
+
 config USE_OPTION_TABLE
 	bool "Use CMOS for configuration values"
 	default n