SecurityPkg TrEEDxe: Add check for the PE/COFF image.

Use BasePeCoffLib PeCoffLoaderGetImageInfo() to check the PE/COFF image.

In V2, add specific ImageRead() to make sure the PE/COFF image content
read is within the image buffer.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c

@@ -179,6 +179,8 @@ EFI_HANDLE mImageHandle;
   PE/COFF image is external input, so this function will validate its data structure
   within this image buffer before use.
 
+  Notes: PE/COFF image is checked by BasePeCoffLib PeCoffLoaderGetImageInfo().
+
   @param[in]  PCRIndex       TPM PCR index
   @param[in]  ImageAddress   Start address of image buffer.
   @param[in]  ImageSize      Image size