11843 update Intel microcode to 20190918
Reviewed by: Dan McDonald <danmcd@joyent.com>
Portions contributed by: Andy Fiddaman <andy@omniosce.org>
Portions contributed by: Robert Mustacchi <rm@fingolfin.org>

*** 18,28 ****
                  hwdata \
                  locale \
                  terminfo \
                  zoneinfo
  
! i386_SUBDIRS=   amdpmc perfmon
  
  SUBDIRS = $(COMMON_SUBDIRS) $($(MACH)_SUBDIRS)
  
  MSGSUBDIRS=     zoneinfo
  
--- 18,28 ----
                  hwdata \
                  locale \
                  terminfo \
                  zoneinfo
  
! i386_SUBDIRS=   amdpmc perfmon ucode
  
  SUBDIRS = $(COMMON_SUBDIRS) $($(MACH)_SUBDIRS)
  
  MSGSUBDIRS=     zoneinfo