config: add mounts for boot v2

config/config.go

@@ -64,6 +64,8 @@ type Config struct {
 
 	Storage StorageConfig
 
+	Mounts []MountDef
+
 	Groups []GroupDef
 	Users  []UserDef
 
@@ -94,6 +96,12 @@ type VolumeDef struct {
 	}
 }
 
+type Mount struct {
+	Dev     string
+	Path    string
+	Options string
+}
+
 type GroupDef struct {
 	Name string
 	Gid  int