BaseTools/Ecc: Fix import issues

1. Complete the full path for import statement. Use "EccMain" to
replace "Ecc" for the absolute path support.
2. Fix some issues on configuration file.
3. Fix an issue of RaiseError not working in EdkLogger.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hess Chen <hesheng.chen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/Python/Ecc/FileProfile.py

@@ -19,7 +19,7 @@
 from __future__ import absolute_import
 import re
 import Common.LongFilePathOs as os
-from .ParserWarning import Warning
+from Ecc.ParserWarning import Warning
 from Common.LongFilePathSupport import OpenLongFilePath as open
 
 CommentList = []