[Patch] BaseTools: Fix a bug for Mixed Pcd value display in the report

[Yonghong Zhu <yonghong.zhu@intel.com>]

the case is that override the mixed pcd value in DSC [Components]
section, the value display in the report is incorrect.

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
---
 BaseTools/Source/Python/AutoGen/AutoGen.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/AutoGen/AutoGen.py b/BaseTools/Source/Python/AutoGen/AutoGen.py
index cd30894..8293672 100644
--- a/BaseTools/Source/Python/AutoGen/AutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/AutoGen.py
@@ -2333,12 +2333,22 @@ class PlatformAutoGen(AutoGen):
 
         # override PCD settings with module specific setting
         if Module in self.Platform.Modules:
             PlatformModule = self.Platform.Modules[str(Module)]
             for Key  in PlatformModule.Pcds:
+                Flag = False
                 if Key in Pcds:
-                    self._OverridePcd(Pcds[Key], PlatformModule.Pcds[Key], Module)
+                    ToPcd = Pcds[Key]
+                    Flag = True
+                elif Key in GlobalData.MixedPcd:
+                    for PcdItem in GlobalData.MixedPcd[Key]:
+                        if PcdItem in Pcds:
+                            ToPcd = Pcds[PcdItem]
+                            Flag = True
+                            break
+                if Flag:
+                    self._OverridePcd(ToPcd, PlatformModule.Pcds[Key], Module)
         return Pcds.values()
 
     ## Resolve library names to library modules
     #
     # (for Edk.x modules)
-- 
2.6.1.windows.1