Fix misc Kconfig typos

Fix various Kconfig typos.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 077711e..ef018e2 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -724,7 +724,7 @@
 	  Be aware that PCI buses can only function when SYS board is plugged
 	  into the PIB (Platform IO Board) board from Freescale which provide
 	  3 PCI slots.  The PIBs PCI initialization is the bootloader's
-	  responsiblilty.
+	  responsibility.
 
 config EV64360
 	bool "Marvell-EV64360BP"