Fix trivial typos in Kconfig* files

Fix several typos in help text in Kconfig* files.

Signed-off-by: David Sterba <dave@jikos.cz>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 45dbdc1..c721966 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -435,7 +435,7 @@
 	help
 	  This option enables DMA/PIO support for the later OPTi
 	  controllers found on some old motherboards and in some
-	  latops
+	  laptops.
 
 	  If unsure, say N.