tree-wide: fix misspelling of "definition" in comments

"Definition" is misspelled "defintion" in several comments; this
patch fixes them. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
index dbaed1e..8098fcc 100644
--- a/drivers/block/cciss_cmd.h
+++ b/drivers/block/cciss_cmd.h
@@ -5,7 +5,7 @@
 //###########################################################################
 #define CISS_VERSION "1.00"
 
-//general boundary defintions
+//general boundary definitions
 #define SENSEINFOBYTES          32//note that this value may vary between host implementations
 #define MAXSGENTRIES            31
 #define MAXREPLYQS              256