BaseTools: Report more clear error message when PCD type mismatch

BaseTools: Report more clear error message when PCD type mismatch

Error message is not clear when PCD type defined in driver's Library
is different with PCD type defined in DSC components or PCD type
defined in DSC PCD section.

Case as below:
DSC:
[PcdsFixedAtBuild]
PcdToken.PcdCName | "A"
[Components]
 TestPkg/TestDriver.inf {
  <PcdsPatchableInModule>
    PcdToken.PcdCName | "B"
 }
Library:
[Pcd]
 PcdToken.PcdCName

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>