typo fixes

Most of these fixes were already submitted for old kernel versions, and were
approved, but for some reason they never made it into the releases.

Because this is a consolidation of a couple old missed patches, it touches both
Kconfigs and documentation texts.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 6420a90..cbde770 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -240,7 +240,7 @@
 	depends on MENELAUS
 	help
 	  If you say yes here you get support for the RTC on the
-	  TWL92330 "Menelaus" power mangement chip, used with OMAP2
+	  TWL92330 "Menelaus" power management chip, used with OMAP2
 	  platforms.  The support is integrated with the rest of
 	  the Menelaus driver; it's not separate module.