Fix several typos in drivers/

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 6dfc941..eb57a98 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -321,7 +321,7 @@
 	help
 	  This enables HiSax support for the HFC-S PCI 2BDS0 based cards.
 
-	  For more informations see under
+	  For more information see under
 	  <file:Documentation/isdn/README.hfc-pci>.
 
 config HISAX_W6692