Add EnumEntries to minimal-stdlib-for-tests

This change allows to revert adding `WITH_STDLIB` directive
to tests which happened at `a9343aeb`.

Co-authored-by: Alexander Udalov <Alexander.Udalov@jetbrains.com>

compiler/testData/diagnostics/tests/enum/starImportNestedClassAndEntries.txt

@@ -42,6 +42,7 @@ package foo {
         }
 
         // Static members
+        public final /*synthesized*/ val entries: kotlin.enums.EnumEntries<foo.E>
         public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): foo.E
         public final /*synthesized*/ fun values(): kotlin.Array<foo.E>
     }