enc2gen.py: add support for more instr
enc2gen.py: add support for more instr

Change-Id: I2f81a2ddfbe745a6539c02a92aa5b7618866449f
(cherry picked from commit c6682e21be30e8ded2fe4153709bc346904f626e)

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