BaseTools: Fix one invalid change in 6be94743

Roll back one change in 6be94743, it was updated incorrect.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Source/Python/AutoGen/AutoGen.py

@@ -3915,7 +3915,7 @@ class ModuleAutoGen(AutoGen):
             return
 
         # Skip the following code for modules without any binary files
-        if not self.BinaryFileList:
+        if self.BinaryFileList:
             return
             
         ### TODO: How to handles mixed source and binary modules