NetworkPkg: 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>

NetworkPkg/HttpBootDxe/HttpBootDxe.inf

@@ -1,15 +1,15 @@
 ## @file
 #  This modules produce the Load File Protocol for UEFI HTTP boot.
-# 
-#  Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
+#
+#  Copyright (c) 2015 - 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.
-#  
+#
 ##
 
 [Defines]
@@ -68,7 +68,7 @@
   ## TO_START
   ## BY_START
   gEfiDevicePathProtocolGuid
-  
+
   gEfiLoadFileProtocolGuid                        ## BY_START
   gEfiHttpServiceBindingProtocolGuid              ## CONSUMES
   gEfiHttpProtocolGuid                            ## CONSUMES
@@ -99,7 +99,7 @@
   gEfiAdapterInfoUndiIpv6SupportGuid             ## SOMETIMES_CONSUMES ## GUID
 
 [Pcd]
-  gEfiNetworkPkgTokenSpaceGuid.PcdAllowHttpConnections       ## CONSUMES  
+  gEfiNetworkPkgTokenSpaceGuid.PcdAllowHttpConnections       ## CONSUMES
 
 [UserExtensions.TianoCore."ExtraFiles"]
   HttpBootDxeExtra.uni