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/include/linux/cciss_ioctl.h b/include/linux/cciss_ioctl.h
index cb57c30..eb130b4 100644
--- a/include/linux/cciss_ioctl.h
+++ b/include/linux/cciss_ioctl.h
@@ -39,7 +39,7 @@
 #ifndef CCISS_CMD_H
 // This defines are duplicated in cciss_cmd.h in the driver directory 
 
-//general boundary defintions
+//general boundary definitions
 #define SENSEINFOBYTES          32//note that this value may vary between host implementations
 
 //Command Status value
diff --git a/include/linux/in6.h b/include/linux/in6.h
index 718bf21..010290d 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -113,7 +113,7 @@
 #define IPV6_FLOWINFO_FLOWLABEL		0x000fffff
 #define IPV6_FLOWINFO_PRIORITY		0x0ff00000
 
-/* These defintions are obsolete */
+/* These definitions are obsolete */
 #define IPV6_PRIORITY_UNCHARACTERIZED	0x0000
 #define IPV6_PRIORITY_FILLER		0x0100
 #define IPV6_PRIORITY_UNATTENDED	0x0200
diff --git a/include/linux/usb/wusb.h b/include/linux/usb/wusb.h
index 429c631..63ebdcc 100644
--- a/include/linux/usb/wusb.h
+++ b/include/linux/usb/wusb.h
@@ -74,7 +74,7 @@
  * WUSB defines that CHIDs, CDIDs and CKs are a 16 byte string of
  * data. In order to avoid confusion and enforce types, we wrap it.
  *
- * Make it packed, as we use it in some hw defintions.
+ * Make it packed, as we use it in some hw definitions.
  */
 struct wusb_ckhdid {
 	u8 data[16];