include/linux/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 2a6d62c..b9339d8 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -126,7 +126,7 @@
 };
 
 /*
- * Device Managemnt
+ * Device Management
  */
 
 struct pnp_card {