arm: mach-omap2: Convert pr_warning to pr_warn

Use the more common pr_warn.

Other miscellanea:

o Realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 3f80929..175564c 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -465,7 +465,7 @@
 	int ret;
 
 	if (!omap3_has_io_chain_ctrl())
-		pr_warning("PM: no software I/O chain control; some wakeups may be lost\n");
+		pr_warn("PM: no software I/O chain control; some wakeups may be lost\n");
 
 	pm_errata_configure();