BaseTools:Add extra debugging message

BaseTools:Add extra debugging message

BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=2014

Add extra debugging to improve error identification.
Error while processing file if the file is read incorrectly

This patch is going to fix that issue.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Zhiju.Fan <zhijux.fan@intel.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>