clocksource: tegra: cosmetic: Fix error message

Add missing \n.
Signed-off-by: NHiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: NStephen Warren <swarren@nvidia.com>

drivers/clocksource/tegra20_timer.c

@@ -179,7 +179,7 @@ static void __init tegra20_init_timer(void)
 
 	timer_reg_base = of_iomap(np, 0);
 	if (!timer_reg_base) {
-		pr_err("Can't map timer registers");
+		pr_err("Can't map timer registers\n");
 		BUG();
 	}