fix similar typos to successfull

When I review ocfs2 code, find there are 2 typos to "successfull".  After
doing grep "successfull " in kernel tree, 22 typos found totally -- great
minds always think alike :)

This patch fixes all the similar typos. Thanks for Randy's ack and comments.

Signed-off-by: Coly Li <coyli@suse.de>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Roland Dreier <rolandd@cisco.com>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Vlad Yasevich <vladislav.yasevich@hp.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/hardware/eicon/debuglib.h b/drivers/isdn/hardware/eicon/debuglib.h
index 016410c..8ea5877 100644
--- a/drivers/isdn/hardware/eicon/debuglib.h
+++ b/drivers/isdn/hardware/eicon/debuglib.h
@@ -235,7 +235,7 @@
 typedef void ( * DbgEv)  (unsigned short, unsigned long, va_list) ;
 typedef void ( * DbgIrq) (unsigned short, int, char *, va_list) ;
 typedef struct _DbgHandle_
-{ char    Registered ; /* driver successfull registered */
+{ char    Registered ; /* driver successfully registered */
 #define DBG_HANDLE_REG_NEW 0x01  /* this (new) structure    */
 #define DBG_HANDLE_REG_OLD 0x7f  /* old structure (see below)  */
  char    Version;  /* version of this structure  */