BaseTools: Fix the bug that same region print twice in the build log

This patch fixed the bug that same region print twice in the build log.

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/Python/GenFds/Fd.py

@@ -1,7 +1,7 @@
 ## @file
 # process FD generation
 #
-#  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 2017, 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
@@ -67,6 +67,12 @@ class FD(FDClassObject):
         GenFdsGlobalVariable.VerboseLogger('################### Gen VTF ####################')
         self.GenVtfFile()
 
+        HasCapsuleRegion = False
+        for RegionObj in self.RegionList:
+            if RegionObj.RegionType == 'CAPSULE':
+                HasCapsuleRegion = True
+                break
+        if HasCapsuleRegion:
             TempFdBuffer = StringIO.StringIO('')
             PreviousRegionStart = -1
             PreviousRegionSize = 1