BaseTools: Fix bugs use special character in the --pcd option

Cases:
--pcd Token.Name="!"
--pcd Token.Name="\'W&\'"
--pcd Token.Name="2*h"

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

BaseTools/Source/Python/Workspace/DscBuildData.py

@@ -1132,6 +1132,8 @@ class DscBuildData(PlatformBuildClassObject):
             if not FieldName:
                 if PcdDatumType not in TAB_PCD_NUMERIC_TYPES:
                     PcdValue = '"' + PcdValue + '"'
+                elif not PcdValue.isdigit() and not PcdValue.upper().startswith('0X'):
+                    PcdValue = '"' + PcdValue + '"'
             else:
                 IsArray = False
                 Base = 10