7192 Remove SPARC-only ONLY64 option

*** 18,40 ****
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
- #ident  "%Z%%M% %I%     %E% SMI"
- #
  # Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  # cmd/plimit/Makefile
  #
  
  PROG=   plimit
  
  include ../Makefile.cmd
  
! $(64ONLY)SUBDIRS= $(MACH)
  $(BUILD64)SUBDIRS += $(MACH64)
  
  all     :=      TARGET = all
  install :=      TARGET = install
  clean   :=      TARGET = clean
--- 18,41 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
  # Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright 2016 RackTop Systems.
+ #
  # cmd/plimit/Makefile
  #
  
  PROG=   plimit
  
  include ../Makefile.cmd
  
! SUBDIRS=
! $(INTEL_BLD)SUBDIRS += $(MACH)
  $(BUILD64)SUBDIRS += $(MACH64)
  
  all     :=      TARGET = all
  install :=      TARGET = install
  clean   :=      TARGET = clean