[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/crypto/cast_common.h b/src/kernel/linux/v4.14/include/crypto/cast_common.h
new file mode 100644
index 0000000..b900902
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/crypto/cast_common.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _CRYPTO_CAST_COMMON_H
+#define _CRYPTO_CAST_COMMON_H
+
+extern const u32 cast_s1[256];
+extern const u32 cast_s2[256];
+extern const u32 cast_s3[256];
+extern const u32 cast_s4[256];
+
+#endif