It's UTF-8

Fix some comments to "UTF-8".

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/include/asm-mips/termbits.h b/include/asm-mips/termbits.h
index c29c65b..fa6d04d 100644
--- a/include/asm-mips/termbits.h
+++ b/include/asm-mips/termbits.h
@@ -77,7 +77,7 @@
 #define IXANY	0004000		/* Any character will restart after stop.  */
 #define IXOFF	0010000		/* Enable start/stop input control.  */
 #define IMAXBEL	0020000		/* Ring bell when input queue is full.  */
-#define IUTF8	0040000		/* Input is UTF8 */
+#define IUTF8	0040000		/* Input is UTF-8 */
 
 /* c_oflag bits */
 #define OPOST	0000001		/* Perform output processing.  */