10886 smatch debug macro cleanup in usr/src/uts

*** 1,8 ****
--- 1,10 ----
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2019 Joyent, Inc.
   */
  /*
   * Copyright (c) 2004, 2005 David Young.  All rights reserved.
   *
   * Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
*** 76,86 ****
  
  #ifdef DEBUG
  #define RTW_DPRINTF \
          rtw_dbg
  #else /* DEBUG */
! #define RTW_DPRINTF
  #endif /* DEBUG */
  
  enum rtw_locale {
          RTW_LOCALE_USA = 0,
          RTW_LOCALE_EUROPE,
--- 78,88 ----
  
  #ifdef DEBUG
  #define RTW_DPRINTF \
          rtw_dbg
  #else /* DEBUG */
! #define RTW_DPRINTF(...) (void)(0)
  #endif /* DEBUG */
  
  enum rtw_locale {
          RTW_LOCALE_USA = 0,
          RTW_LOCALE_EUROPE,