SourceLevelDebugPkg: 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: Hao Wu <hao.a.wu@intel.com>

SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.uni

@@ -3,13 +3,13 @@
 //
 // This DXE driver will invoke Debug Agent Library to initialize the debug agent.
 //
-// Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+// Copyright (c) 2013 - 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.
 //