Removed preinclude config from asm flags

Author: sarahmarshy

tools/export/exporters.py

@@ -62,7 +62,6 @@ def progen_flags(self):
             if self.config_header:
                 self._progen_flag_cache['c_flags'] += self.toolchain.get_config_option(self.config_header)
                 self._progen_flag_cache['cxx_flags'] += self.toolchain.get_config_option(self.config_header)
-                self._progen_flag_cache['asm_flags'] += self.toolchain.get_config_option(self.config_header)
         return self._progen_flag_cache
 
     def __scan_and_copy(self, src_path, trg_path):