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/drivers/crypto/fsl/fsl_hash.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ */
+
+#ifndef _SHA_H
+#define _SHA_H
+
+#include <fsl_sec.h>
+#include <hash.h>
+#include "jr.h"
+
+/* We support at most 32 Scatter/Gather Entries.*/
+#define MAX_SG_32	32
+
+/*
+ * Hash context contains the following fields
+ * @sha_desc: Sha Descriptor
+ * @sg_num: number of entries in sg table
+ * @len: total length of buffer
+ * @sg_tbl: sg entry table
+ * @hash: index to the hash calculated
+ */
+struct sha_ctx {
+	uint32_t sha_desc[64];
+	uint32_t sg_num;
+	uint32_t len;
+	struct sg_entry sg_tbl[MAX_SG_32];
+	u8 hash[HASH_MAX_DIGEST_SIZE];
+};
+
+#endif