Fix several DEBUG_ERROR messages that are unnecessarily verbose. Several of these are marked as DEBUG_ERROR when they are really not errors.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@hp.com>
reviewed-by: Zeng, Star <star.zeng@intel.com>
reviewed-by: Tian, Feng <feng.tian@intel.com>

git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdeModulePkg@14751 6f19259b-4bc3-4df7-8a09-765794883524