kconfig: add symbol option config syntax

This adds the general framework to the parser to define options for config
symbols with a syntax like:

config FOO
	option bar[="arg"]

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 52c296e..8e89d34 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -40,6 +40,10 @@
 
 #define TF_COMMAND	0x0001
 #define TF_PARAM	0x0002
+#define TF_OPTION	0x0004
+
+#define T_OPT_MODULES		1
+#define T_OPT_DEFCONFIG_LIST	2
 
 struct kconf_id {
 	int name;
@@ -78,6 +82,7 @@
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
+void menu_add_option(int token, char *arg);
 void menu_finalize(struct menu *parent);
 void menu_set_type(int type);