kconfig: require T_EOL to reduce visible statement

All line-oriented statements should be reduced when seeing a T_EOL
token. I guess missing T_EOL for the "visible" statement is just a
mistake. This commit decreases one shift/reduce conflict.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

scripts/kconfig/zconf.y

@@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE];
 static struct menu *current_menu, *current_entry;
 
 %}
-%expect 30
+%expect 29
 
 %union
 {
@@ -461,7 +461,7 @@ visibility_list:
 	| visibility_list T_EOL
 ;
 
-visible: T_VISIBLE if_expr
+visible: T_VISIBLE if_expr T_EOL
 {
 	menu_add_visibility($2);
 };