watchdog: Use pr_<fmt> and pr_<level>

Use the current logging styles.

Make sure all output has a prefix.
Add missing newlines.
Remove now unnecessary PFX, NAME, and miscellaneous other #defines.
Coalesce formats.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index d19ff51..8285d65 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -26,6 +26,8 @@
  *	Use the driver model and standard identifiers; handle bigger timeouts.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -183,7 +185,7 @@
 
 	pm_runtime_put_sync(wdev->dev);
 #else
-	printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n");
+	pr_crit("Unexpected close, not stopping!\n");
 #endif
 	wdev->omap_wdt_users = 0;