SecurityPkg: add DeviceSecurity support

This patch implement the SpdmSecurityLib,
which is the core of DeviceSecurity.
And the SpdmSecurityLib include Device Authentication and Measurement.
The other library is to support SpdmSecurityLib.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Wenxing Hou <wenxing.hou@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

SecurityPkg/DeviceSecurity/SpdmLib/Include/hal/LibspdmStdDefAlt.h

@@ -0,0 +1,16 @@
+/** @file
+  EDKII Device Security library for SPDM device.
+  It follows the SPDM Specification.
+
+Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef LIBSPDM_STD_DEF_ALT_H
+#define LIBSPDM_STD_DEF_ALT_H
+
+typedef UINTN size_t;
+#define offsetof(type, member)  OFFSET_OF(type,member)
+
+#endif /* LIBSPDM_STDDEF_ALT */