Start adding currently-unused models

SabreTools.Models/Listxml/Chip.cs

@@ -0,0 +1,22 @@
+using System.Xml;
+using System.Xml.Serialization;
+
+namespace SabreTools.Models.Listxml
+{
+    [XmlRoot("chip")]
+    public class Chip
+    {
+        [XmlAttribute("name")]
+        public string Name { get; set; }
+
+        [XmlAttribute("tag")]
+        public string? Tag { get; set; }
+
+        /// <remarks>(cpu|audio)</remarks>
+        [XmlAttribute("type")]
+        public string Type { get; set; }
+
+        [XmlAttribute("clock")]
+        public string? Clock { get; set; }
+    }
+}