XXXX remove i86xpv platform code
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>

*** 35,45 ****
  # the parallel build to work. The i386_PREREQ and sparc_PREREQ variables tell
  # which platform directory to enter to start making prerequisite dependencies.
  #
  sparc_ARCHITECTURES = sun4v sun4u sparc
  
! i386_ARCHITECTURES = i86pc i86xpv intel
  
  #
  # For i386 all architectures can be compiled in parallel.
  #
  # intel/Makefile knows how to build prerequisites needed for parallel build.
--- 35,45 ----
  # the parallel build to work. The i386_PREREQ and sparc_PREREQ variables tell
  # which platform directory to enter to start making prerequisite dependencies.
  #
  sparc_ARCHITECTURES = sun4v sun4u sparc
  
! i386_ARCHITECTURES = i86pc intel
  
  #
  # For i386 all architectures can be compiled in parallel.
  #
  # intel/Makefile knows how to build prerequisites needed for parallel build.
*** 172,182 ****
                  common/rpc \
                  common/rpcsvc \
                  common/sys
  
  sparc_HDRDIRS= sun/sys
! i386_HDRDIRS= i86pc/vm i86xpv/vm
  
  HDRDIRS= $(COMMON_HDRDIRS) $($(MACH)_HDRDIRS)
  install_h check: $(HDRDIRS) $($(MACH)_ARCHITECTURES)
  
  $(HDRDIRS): FRC
--- 172,182 ----
                  common/rpc \
                  common/rpcsvc \
                  common/sys
  
  sparc_HDRDIRS= sun/sys
! i386_HDRDIRS= i86pc/vm
  
  HDRDIRS= $(COMMON_HDRDIRS) $($(MACH)_HDRDIRS)
  install_h check: $(HDRDIRS) $($(MACH)_ARCHITECTURES)
  
  $(HDRDIRS): FRC