8659 ata: unused but set warnings with GCC 5.X

*** 20,29 ****
--- 20,31 ----
   */
  
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2017 RackTop Systems.
   */
  /*
   * Silicon Image 3XXX controller specific processing
   *
   * This file may be expanded to take advantage of Silicon Image
*** 34,45 ****
   * 4. Watchdog Timer
   * 5. Power Management
   * 6. Hot Plug Support
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include "ata_common.h"
  #include "sil3xxx.h"
  #include <sys/pci.h>
  
  int fifocntctl[] = {FIFO_CNTCTL_0, FIFO_CNTCTL_1, FIFO_CNTCTL_2, FIFO_CNTCTL_3};
--- 36,45 ----
*** 56,67 ****
          ddi_acc_handle_t  pci_conf_handle; /* pci config space handle */
          uint8_t cache_lnsz, frrc = 0;
          uint32_t fifo_cnt_ctl;
          int ports, i;
  
! #ifdef  DEBUG
!         /* LINTED */
          ushort_t sfiscfg_val;
  #endif
  
          /*
           * Sil3114, Sil3512, Sil3112
--- 56,66 ----
          ddi_acc_handle_t  pci_conf_handle; /* pci config space handle */
          uint8_t cache_lnsz, frrc = 0;
          uint32_t fifo_cnt_ctl;
          int ports, i;
  
! #ifdef  ATA_DEBUG
          ushort_t sfiscfg_val;
  #endif
  
          /*
           * Sil3114, Sil3512, Sil3112
*** 123,141 ****
                  PUT_BAR5_INDIRECT(pci_conf_handle, fifocntctl[i],
                      fifo_cnt_ctl);
                  /*
                   * Correct default setting for FIS0cfg
                   */
! #ifdef  DEBUG
                  GET_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          sfiscfg_val);
                  ADBG_WARN(("sil3xxx_init_controller: old val SFISCfg "
                          "ch%d: %x\n", i, sfiscfg_val));
  #endif
                  PUT_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          SFISCFG_ERRATA);
! #ifdef  DEBUG
                  GET_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          sfiscfg_val);
                  ADBG_WARN(("sil3xxx_init_controller: new val SFISCfg "
                          "ch%d: %x\n", i, sfiscfg_val));
  #endif
--- 122,140 ----
                  PUT_BAR5_INDIRECT(pci_conf_handle, fifocntctl[i],
                      fifo_cnt_ctl);
                  /*
                   * Correct default setting for FIS0cfg
                   */
! #ifdef  ATA_DEBUG
                  GET_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          sfiscfg_val);
                  ADBG_WARN(("sil3xxx_init_controller: old val SFISCfg "
                          "ch%d: %x\n", i, sfiscfg_val));
  #endif
                  PUT_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          SFISCFG_ERRATA);
! #ifdef  ATA_DEBUG
                  GET_BAR5_INDIRECT(pci_conf_handle, sfiscfg[i],
                          sfiscfg_val);
                  ADBG_WARN(("sil3xxx_init_controller: new val SFISCfg "
                          "ch%d: %x\n", i, sfiscfg_val));
  #endif