Minor grammatical work--mostly adding periods. Items with ONLY period added did not have the heading date changed, but Items with content changes had heading copyright dates updated. Sending separately a list of files missing Doxygen @param and @return information. (PENDING)

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10604 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/SecPeiDxeTimerLibCpu/IpfTimerLib.c

@@ -5,7 +5,7 @@
   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
+  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.
@@ -24,7 +24,7 @@
   An internal function to perform a delay measured as number of ticks. It's
   invoked by MicroSecondDelay() and NanoSecondDelay().
 
-  @param  Delay Number of ticks to delay.
+  @param  Delay The number of ticks to delay.
 
 **/
 VOID