NetworkPkg/TlsAuthConfigDxe: Provide the UI to support TLS auth configuration

This patch provides the UI to support TLS auth configuration.
* EFI_SIGNATURE_LIST format is used for 'TlsCaCertificate'
variable. So, TLS supports multiple certificate configuration.
* The variable attribute is BS with NV, which only target at
preventing runtime phase attack.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Cc: Long Qin <qin.long@intel.com>
Cc: Thomas Palmer <thomas.palmer@hpe.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>

NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigDxeExtra.uni

@@ -0,0 +1,19 @@
+// /** @file
+// TlsAuthConfigDxe Localized Strings and Content
+//
+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME 
+#language en-US 
+"TLS Auth Config DXE"
+
+