BaseTools/Ecc/EOT: Add Python 3 support on ECC and EOT tools.

1. Add Python 3 support on ECC and EOT tools
2. Add C grammar file of ANTLR4 and fix some bugs

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

@@ -47,7 +47,7 @@ class FileProfile :
         self.FileLinesList = []
         self.FileLinesListFromFile = []
         try:
-            fsock = open(FileName, "rb", 0)
+            fsock = open(FileName, "r")
             try:
                 self.FileLinesListFromFile = fsock.readlines()
             finally: