MdeModulePkg: Clean up source files

1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

MdeModulePkg/Bus/Pci/EhciPei/EhciPei.inf

@@ -4,14 +4,14 @@
 # It produces gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid
 # which is used to enable recovery function from USB Drivers.
 #
-# Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 2018, 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.
 #