add Metronome.inf into MdeModulePkg.dsc.

updated doxgen format file header for Metronome module.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6280 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Metronome/Metronome.inf

@@ -1,5 +1,7 @@
-#/*++
-# 
+#/** @file
+# This module produces the Metronome Architectural Protocol on top of an instance
+# of the Timer Library defined in the MdePkg.
+#
 # Copyright (c) 2008, Intel Corporation                                                         
 # All rights reserved. This program and the accompanying materials                          
 # are licensed and made available under the terms and conditions of the BSD License         
@@ -9,11 +11,7 @@
 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
 #
-#  Module Name:
-#
-#  Abstract:
-#
-#--*/
+#**/
 
 [Defines]
   INF_VERSION                    = 0x00010005
@@ -25,6 +23,12 @@
   EFI_SPECIFICATION_VERSION      = 0x00020000
   ENTRY_POINT                    = InstallMetronome
 
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
 [Packages]
   MdePkg/MdePkg.dec