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/Include/Ppi/SmmControl.h

@@ -9,7 +9,7 @@
   event from a platform chipset agent is an optional capability for both IA-32 and Itanium-based
   systems.
 
-  Copyright (c) 2010, 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
@@ -64,7 +64,7 @@ EFI_STATUS
 
   @param  PeiServices           General purpose services available to every PEIM.
   @param  This                  The PEI_SMM_CONTROL_PPI instance.
-  @param  Periodic              Optional parameter to repeat at this period one 
+  @param  Periodic              Optional parameter to repeat at this period one
                                 time or, if the Periodic Boolean is set, periodically.
 
   @retval EFI_SUCCESS           The SMI/PMI has been engendered.
@@ -85,7 +85,7 @@ EFI_STATUS
 ///  - A processor driver to abstract the SMI/PMI IPI
 ///  - The driver that abstracts the ASIC that is supporting the APM port, such as the ICH in an
 ///  Intel chipset
-/// 
+///
 struct _PEI_SMM_CONTROL_PPI {
   PEI_SMM_ACTIVATE    Trigger;
   PEI_SMM_DEACTIVATE  Clear;