MdeModulePkg: Add sample code for keyword handler protocol.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@hp.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17431 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/DriverSampleDxe/Inventory.vfr

@@ -2,7 +2,7 @@
 //
 //    Sample Inventory Data
 //
-//  Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
+//  Copyright (c) 2004 - 2015, 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
@@ -104,6 +104,12 @@ formset
       flags  = 0,
       key    = 0;
 
+    text
+      help   = STRING_TOKEN(STR_CHECK_KEYWORD_SUPPORT),
+      text   = STRING_TOKEN(STR_CHECK_KEYWORD_SUPPORT),
+      flags  = INTERACTIVE,
+      key    = 0x1231;
+
     subtitle text = STRING_TOKEN(STR_INV_EMPTY_STRING);
 
     subtitle text = STRING_TOKEN(STR_INV_VERSION_TEXT12);