HaltEnabler - set SLP_SMI_EN=0 at early start.
FixShutdown_0004 - prevent set SLP_SMI_EN=1 at _PTS with Arg0=5 (shutdown)
SuspendOverride - extend this fix to Arg0=3,4,5 (also sleep and suspend)
SlpSmiAtWake - set SLP_SMI_EN=0 at method _WAK, so at every wake up.