tty: Spelling s/reseved/reserved/

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/n_gsm.c

@@ -161,7 +161,7 @@ struct gsm_dlci {
 	struct net_device *net; /* network interface, if created */
 };
 
-/* DLCI 0, 62/63 are special or reseved see gsmtty_open */
+/* DLCI 0, 62/63 are special or reserved see gsmtty_open */
 
 #define NUM_DLCI		64