Import Mbed OS hard-float snapshot

connectivity/drivers/mbedtls/FEATURE_CRYPTOCELL310/include/cryptocell310/sha1_alt.h

@@ -0,0 +1,36 @@
+/*
+ *  sha1_alt.h
+ *
+ *  Copyright (C) 2018, Arm Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#ifndef __SHA1_ALT__
+#define __SHA1_ALT__
+#if defined(MBEDTLS_SHA1_ALT)
+#include "crys_hash.h"
+
+/**
+ * \brief          SHA-1 context structure
+ */
+typedef struct
+{
+    CRYS_HASHUserContext_t crys_hash_ctx;
+} mbedtls_sha1_context;
+
+#endif //MBEDTLS_SHA1_ALT
+#endif //__SHA1_ALT__
+