7192 Remove SPARC-only ONLY64 option

*** 19,28 ****
--- 19,30 ----
  # CDDL HEADER END
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright 2016 RackTop Systems.
+ #
  # cmd/modload/Makefile
  #
  # makefile for loadable module utilities
  
  DRVPROG = add_drv rem_drv update_drv
*** 36,46 ****
  ETCSEC = $(ROOTETC)/security
  XPRIV = $(ETCSEC)/extra_privs
  
  $(XPRIV) := FILEMODE = 644
  
! $(64ONLY)SUBDIRS=       $(MACH)
  $(BUILD64)SUBDIRS +=    $(MACH64)
  
  all     :=      TARGET = all
  install :=      TARGET = install
  clean   :=      TARGET = clean
--- 38,49 ----
  ETCSEC = $(ROOTETC)/security
  XPRIV = $(ETCSEC)/extra_privs
  
  $(XPRIV) := FILEMODE = 644
  
! SUBDIRS=
! $(INTEL_BLD)SUBDIRS +=  $(MACH)
  $(BUILD64)SUBDIRS +=    $(MACH64)
  
  all     :=      TARGET = all
  install :=      TARGET = install
  clean   :=      TARGET = clean