xed_mbuild: refactoring and do not remove working kit between builds. else examples must always rebuild
xed_mbuild: refactoring and do not remove working kit between builds. else examples must always rebuild

Change-Id: I6cbf762ea0e3f859810ff316c545d8ce72dc3486
(cherry picked from commit adc8c8c6753601c2efd5207b41389a4db2fe856b)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed