fix clippy warnings

Author: Emilgardis

svd-parser/src/expand.rs

@@ -259,7 +259,7 @@ impl<'a> Index<'a> {
     fn add_field(&mut self, path: &RegisterPath, f: &'a Field) {
         if let Field::Array(info, dim) = f {
             for name in names(info, dim) {
-                let fpath = path.new_field(&name);
+                let fpath = path.new_field(name);
                 for evs in &f.enumerated_values {
                     if let Some(name) = evs.name.as_ref() {
                         self.evs.insert(fpath.new_enum(name), evs);

svd-rs/src/registercluster.rs

@@ -7,6 +7,7 @@ use super::{Cluster, Register};
     serde(rename_all = "lowercase")
 )]
 #[derive(Clone, Debug, PartialEq)]
+#[allow(clippy::large_enum_variant)]
 pub enum RegisterCluster {
     /// Register
     Register(Register),