add support for #[hdl(sim)] enum_ty.Variant(value) and #[hdl(sim)] EnumTy::Variant(value) and non-sim variants too

crates/fayalite-proc-macros-impl/src/module/transform_body/expand_aggregate_literals.rs

@@ -1,6 +1,7 @@
+use std::mem;
+
 // SPDX-License-Identifier: LGPL-3.0-or-later
 // See Notices.txt for copyright information
-
 use crate::{
     kw,
     module::transform_body::{
@@ -10,7 +11,6 @@ use crate::{
     HdlAttr,
 };
 use quote::{format_ident, quote_spanned};
-use std::mem;
 use syn::{
     parse_quote_spanned, punctuated::Punctuated, spanned::Spanned, token::Paren, Expr, ExprArray,
     ExprCall, ExprGroup, ExprMethodCall, ExprParen, ExprPath, ExprRepeat, ExprStruct, ExprTuple,