kconfig: Sync zconf.y with zconf.tab.c_shipped

Looks like a change to a comment in zconf.y was never committed, because
the updated version only appears it zconf.tab.c_shipped. Update the
comment in zconf.y to match.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index c8f396c..4b2cf41 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -101,7 +101,7 @@
 } if_entry menu_entry choice_entry
 
 %{
-/* Include zconf_id.c here so it can see the token constants. */
+/* Include kconf_id.c here so it can see the token constants. */
 #include "kconf_id.c"
 %}