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/sm501-regs.h b/include/linux/sm501-regs.h
index df7620d..64236b7 100644
--- a/include/linux/sm501-regs.h
+++ b/include/linux/sm501-regs.h
@@ -171,7 +171,7 @@
 /* USB slave/gadget data port base */
 #define SM501_USB_GADGET_DATA		(0x070000)
 
-/* Display contoller/video engine base */
+/* Display controller/video engine base */
 #define SM501_DC			(0x080000)
 
 /* common defines for the SM501 address registers */