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>
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index c8707f0..1d61d5d 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -807,6 +807,7 @@
 	irq_handler_t irq_handler = NULL;
 	void __iomem *base;
 	struct octeon_cf_port *cf_port;
+	char version[32];
 
 	res_cs0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
@@ -905,10 +906,11 @@
 	ata_port_desc(ap, "cmd %p ctl %p", base, ap->ioaddr.ctl_addr);
 
 
-	dev_info(&pdev->dev, "version " DRV_VERSION" %d bit%s.\n",
+	snprintf(version, sizeof(version), "%s %d bit%s",
+		 DRV_VERSION,
 		 (ocd->is16bit) ? 16 : 8,
 		 (cs1) ? ", True IDE" : "");
-
+	ata_print_version_once(&pdev->dev, version);
 
 	return ata_host_activate(host, irq, irq_handler, 0, &octeon_cf_sht);