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

@@ -30,11 +30,11 @@
 
 sparc_MACHDIR = sparc
 i386_MACHDIR = intel
 
 sparc_SUBDIRS = sparc sun4u sun4v
-i386_SUBDIRS = intel i86pc i86xpv
+i386_SUBDIRS = intel i86pc
 
 MACHDIR = $($(MACH)_MACHDIR)
 SUBDIRS = tools $($(MACH)_SUBDIRS) demo
 TARGET =