BaseTools: Fix report not used --pcd value incorrectly

Argument --pcd gUefiOvmfPkgTokenSpaceGuid.test10=H"{1}",
If the PCD is not used, report value {0x01, 0x00}, is incorrect.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
(cherry picked from commit 97e1ff1b91)

BaseTools/Source/Python/build/BuildReport.py

@@ -978,6 +978,7 @@ class PcdReport(object):
                         for pcd in GlobalData.BuildOptionPcd:
                             if (Pcd.TokenSpaceGuidCName, Pcd.TokenCName) == (pcd[0], pcd[1]):
                                 PcdValue = pcd[2]
+                                Pcd.DefaultValue = PcdValue
                                 BuildOptionMatch = True
                                 break