mach-omap2: Fix typo in debug message and comment

Correcting spelling typo in mach-omap2

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index 13670aa..7787eb8 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -313,7 +313,7 @@
 	scu_pwrst_prepare(cpu, power_state);
 
 	/*
-	 * CPU never retuns back if targetted power state is OFF mode.
+	 * CPU never retuns back if targeted power state is OFF mode.
 	 * CPU ONLINE follows normal CPU ONLINE ptah via
 	 * omap_secondary_startup().
 	 */