ata: Add and use ata_print_version_once

Use a single mechanism to show driver version.
Reduces text a tiny bit too.

Remove uses of static int printed_version
Add and use ata_print_version(const struct device *, const char *ver)
and ata_print_version_once.

$ size drivers/ata/built-in.*
   text	   data	    bss	    dec	    hex	filename
 544969	  73893	 116584	 735446	  b38d6	drivers/ata/built-in.allyesconfig.ata.o
 543870	  73893	 116592	 734355	  b34ad	drivers/ata/built-in.allyesconfig.print_once.o
 141328	  14689	   4220	 160237	  271ed	drivers/ata/built-in.defconfig.ata.o
 141212	  14689	   4220	 160121	  27179	drivers/ata/built-in.defconfig.print_once.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/ata/pata_sis.c

@@ -681,7 +681,6 @@ static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis)
 
 static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-	static int printed_version;
 	const struct ata_port_info *ppi[] = { NULL, NULL };
 	struct pci_dev *host = NULL;
 	struct sis_chipset *chipset = NULL;
@@ -735,9 +734,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		0x0, &sis_info100
 	};
 
-	if (!printed_version++)
-		dev_printk(KERN_DEBUG, &pdev->dev,
-			   "version " DRV_VERSION "\n");
+	ata_print_version_once(&pdev->dev, DRV_VERSION);
 
 	rc = pcim_enable_device(pdev);
 	if (rc)