10886 smatch debug macro cleanup in usr/src/uts

*** 32,41 ****
--- 32,45 ----
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGES.
   */
  
  /*
+  * Copyright 2019 Joyent, Inc.
+  */
+ 
+ /*
   * Driver for the Marvell 88W8363 Wireless LAN controller.
   */
  #include <sys/stat.h>
  #include <sys/dlpi.h>
  #include <inet/common.h>
*** 126,136 ****
  
  #ifdef DEBUG
  #define MWL_DBG \
          mwl_debug
  #else
! #define MWL_DBG
  #endif
  
  /*
   * PIO access attributes for registers
   */
--- 130,140 ----
  
  #ifdef DEBUG
  #define MWL_DBG \
          mwl_debug
  #else
! #define MWL_DBG(...) (void)(0)
  #endif
  
  /*
   * PIO access attributes for registers
   */