msm: timer: use WARN instead of WARN_ON

Previously a format string was incorrectly passed to WARN_ON(), causing the
WARN to correctly always trigger, but not print the string in question.
Fix this by switching to WARN().

Change-Id: Iaa41dea7a1097f2b629dba0bf8a75b8b6072200c
Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 6f04470..61e65d2 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -1,7 +1,7 @@
 /* linux/arch/arm/mach-msm/timer.c
  *
  * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2009-2012, Code Aurora Forum. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -1014,7 +1014,7 @@
 			dgt->flags |= MSM_CLOCK_FLAGS_UNSTABLE_COUNT;
 		}
 	} else {
-		WARN_ON("Timer running on unknown hardware. Configure this! "
+		WARN(1, "Timer running on unknown hardware. Configure this! "
 			"Assuming default configuration.\n");
 		dgt->freq = 6750000;
 	}