arcnet: Convert printk to pr_<level>

Use the more current logging style.

Remove #define VERSION, use pr_info normally.
Add pr_fmt with "arcnet:" prefixes and KBUILD_MODNAME.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index b0b8a0b..e813fc6 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -25,6 +25,9 @@
  *
  * **********************
  */
+
+#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -39,8 +42,6 @@
 
 #include <linux/io.h>
 
-#define VERSION "arcnet: COM20020 chipset support (by David Woodhouse et al.)\n"
-
 static char *clockrates[] = {
 	"XXXXXXX", "XXXXXXXX", "XXXXXX",
 	"2.5 Mb/s", "1.25Mb/s", "625 Kb/s", "312.5 Kb/s",
@@ -368,7 +369,7 @@
 static int __init com20020_module_init(void)
 {
 	if (BUGLVL(D_NORMAL))
-		printk(VERSION);
+		pr_info("%s\n", "COM20020 chipset support (by David Woodhouse et al.)\n");
 	return 0;
 }