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/ir/irText/declarations/annotations/enumsInAnnotationArguments.kt.txt

@@ -17,6 +17,9 @@ enum class En : Enum<En> {
 
   fun valueOf(value: String): En /* Synthetic body for ENUM_VALUEOF */
 
+  val entries: EnumEntries<En>
+    get(): EnumEntries<En> /* Synthetic body for ENUM_ENTRIES */
+
 }
 
 open annotation class TestAnn : Annotation {