Fix typos in Documentation/: 'H'-'M'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'H'-'M'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/arm/Samsung-S3C24XX/S3C2412.txt b/Documentation/arm/Samsung-S3C24XX/S3C2412.txt
index cb82a7f..295d971 100644
--- a/Documentation/arm/Samsung-S3C24XX/S3C2412.txt
+++ b/Documentation/arm/Samsung-S3C24XX/S3C2412.txt
@@ -80,7 +80,7 @@
 Watchdog
 --------
 
-  The watchdog harware is the same as the S3C2410, and is supported by
+  The watchdog hardware is the same as the S3C2410, and is supported by
   the s3c2410_wdt driver.