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/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index fe00c7d..11089be 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -33,7 +33,7 @@
 	tristate "National Semiconductor TPM Interface"
 	depends on TCG_TPM && PNPACPI
 	---help---
-	  If you have a TPM security chip from National Semicondutor 
+	  If you have a TPM security chip from National Semiconductor 
 	  say Yes and it will be accessible from within Linux.  To 
 	  compile this driver as a module, choose M here; the module 
 	  will be called tpm_nsc.