avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/board/bf561-acvilon/bf561-acvilon.c

@@ -0,0 +1,38 @@
+/*
+ * File:         board/bf561-acvilon/bf561-acvilon.c
+ * Based on:     board/bf561-ezkit/bf561-ezkit.c
+ * Author:
+ *
+ * Created:      2009-06-23
+ * Description:  Acvilon System On Module board file
+ *
+ * Modified:
+ *               Copyright 2009 CJSC "NII STT", http://www.niistt.ru/
+ *               Copyright (c) 2005-2008 Analog Devices Inc.
+ *
+ *               (C) Copyright 2000-2004
+ *               Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Bugs:
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board:  CJSC \"NII STT\"-=Acvilon Platform=- [U-Boot]\n");
+	printf("       Support: http://www.niistt.ru/\n");
+	return 0;
+}
+
+#ifdef CONFIG_SMC911X
+int board_eth_init(bd_t *bis)
+{
+	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+}
+#endif