10886 smatch debug macro cleanup in usr/src/uts

*** 20,29 ****
--- 20,31 ----
   */
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   *
+  * Copyright 2019 Joyent, Inc.
+  *
   * The "bscbus" driver provides access to the LOMlite2 virtual registers,
   * so that its clients (children) need not be concerned with the details
   * of the access mechanism, which in this case is implemented via a
   * packet-based protocol over a Xbus (similar to ebus) parallel link to the
   * H8 host interface registers.
*** 402,412 ****
                  (void) strlog(csp->ssp->majornum, csp->ssp->instance,
                      code, SL_TRACE, buf);
          }
  }
  #else /* DEBUG */
! #define bscbus_trace
  #endif /* DEBUG */
  
  static struct bscbus_state *
  bscbus_getstate(dev_info_t *dip, int instance, const char *caller)
  {
--- 404,414 ----
                  (void) strlog(csp->ssp->majornum, csp->ssp->instance,
                      code, SL_TRACE, buf);
          }
  }
  #else /* DEBUG */
! #define bscbus_trace(...) (void)(0)
  #endif /* DEBUG */
  
  static struct bscbus_state *
  bscbus_getstate(dev_info_t *dip, int instance, const char *caller)
  {