10077 usr/src/uts/ Makefile changes for smatch

*** 20,29 ****
--- 20,30 ----
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  
  #
  #       This file makes the atheros IEEE 802.11n driver for an intel system
  #
*** 63,72 ****
--- 64,76 ----
  
  CERRWARN        += -_gcc=-Wno-unused-variable
  CERRWARN        += -_gcc=-Wno-uninitialized
  CERRWARN        += -_gcc=-Wno-char-subscripts
  
+ # various issues
+ SMATCH=off
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: