[PATCH] Make OMAP com ports work with getty and bluetooth

[Lwazi Dube <lwazeh%gmail.com@localhost>]

Some ports don't have a DCD pin. Pretend it is always missing.

Index: com.c
===================================================================
RCS file: /cvsroot/src/sys/dev/ic/com.c,v
retrieving revision 1.355
diff -u -p -r1.355 com.c
--- com.c	11 Jan 2019 23:10:40 -0000	1.355
+++ com.c	13 Jan 2019 00:19:36 -0000
@@ -1601,7 +1601,7 @@ comparam(struct tty *tp, struct termios 
 	 * CLOCAL or MDMBUF.  We don't hang up here; we only do that by
 	 * explicit request.
 	 */
-	if (sc->sc_type == COM_TYPE_INGENIC) {
+	if (sc->sc_type == COM_TYPE_INGENIC || sc->sc_type == COM_TYPE_OMAP) {
 		/* no DCD here */
 		(void) (*tp->t_linesw->l_modem)(tp, 1);
 	} else