This commit fixes the following checkpatch errors:

./drivers/ata/libata-sff.c:3145: ERROR: "foo * const * bar" should be 
"foo * const *bar"
./drivers/ata/libata-sff.c:3177: ERROR: "foo * const * bar" should be 
"foo * const *bar"

Signed-off-by: Yu Han <hanyu001@208suo.com>
---
  drivers/ata/libata-sff.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 9d28bad..54777b0 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3142,7 +3142,7 @@ void ata_pci_bmdma_init(struct ata_host *host)
   *    0 on success, -errno otherwise.
   */
  int ata_pci_bmdma_prepare_host(struct pci_dev *pdev,
-                   const struct ata_port_info * const * ppi,
+                   const struct ata_port_info * const *ppi,
                     struct ata_host **r_host)
  {
      int rc;
@@ -3174,7 +3174,7 @@ int ata_pci_bmdma_prepare_host(struct pci_dev 
*pdev,
   *    Zero on success, negative on errno-based value on error.
   */
  int ata_pci_bmdma_init_one(struct pci_dev *pdev,
-               const struct ata_port_info * const * ppi,
+               const struct ata_port_info * const *ppi,
                 const struct scsi_host_template *sht, void *host_priv,
                 int hflags)
  {