Fix build break, this file was missed when adding xen 4.19 support.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
--- /dev/null
+/*
+ * Copyright 2018 NXP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __SOC_FSL_HVC_H
+#define __SOC_FSL_HVC_H
+
+/* VENDOR HVC 0xC6000000 - 0xC600FFFF */
+#define FSL_HVC_SC 0xC6000000
+
+#endif