Add headers to enable CryptoCell integration

This patch adds header files with required declarations and
macro definitions to enable integration with CryptoCell SBROM
version `CC712 – Release 1.0.0.1061`. These headers enable ARM
Trusted Firmware to build and link with CryptoCell SBROM
library.

Change-Id: I501eda7fe1429acb61db8e1cab78cc9aee9c1871
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/include/drivers/arm/cryptocell/cc_sec_defs.h b/include/drivers/arm/cryptocell/cc_sec_defs.h
new file mode 100644
index 0000000..d419218
--- /dev/null
+++ b/include/drivers/arm/cryptocell/cc_sec_defs.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _CC_SEC_DEFS_H
+#define _CC_SEC_DEFS_H
+
+/*!
+@file
+@brief This file contains general hash definitions and types.
+*/
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*! The hashblock size in words. */
+#define HASH_BLOCK_SIZE_IN_WORDS             16
+/*! The hash - SHA2 results in words. */
+#define HASH_RESULT_SIZE_IN_WORDS            8
+#define HASH_RESULT_SIZE_IN_BYTES            32
+
+/*! Definition for hash result array. */
+typedef uint32_t CCHashResult_t[HASH_RESULT_SIZE_IN_WORDS];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif