make ifconfig build without trunklacp.h

The only used part of trunklacp.h in ifconfig is LACP_STATE_BITS.
Add it to if_trunk.h so trunklacp.h can be removed.

ok dlg@

sbin/ifconfig/ifconfig.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: ifconfig.c,v 1.480 2025/12/03 10:19:27 stsp Exp $	*/
+/*	$OpenBSD: ifconfig.c,v 1.481 2026/05/08 03:36:04 jsg Exp $	*/
 /*	$NetBSD: ifconfig.c,v 1.40 1997/10/01 02:19:43 enami Exp $	*/
 
 /*
@@ -83,7 +83,6 @@
 #include <net/if_pppoe.h>
 #include <net/if_trunk.h>
 #include <net/if_wg.h>
-#include <net/trunklacp.h>
 #include <net/if_sppp.h>
 #include <net/ppp_defs.h>
 

sys/net/if_trunk.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_trunk.h,v 1.33 2025/11/24 23:40:00 dlg Exp $	*/
+/*	$OpenBSD: if_trunk.h,v 1.34 2026/05/08 03:36:04 jsg Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
@@ -88,6 +88,17 @@ struct lacp_opreq {
 	u_int8_t		partner_state;
 };
 
+#define	LACP_STATE_BITS		\
+	"\020"			\
+	"\001ACTIVITY"		\
+	"\002TIMEOUT"		\
+	"\003AGGREGATION"	\
+	"\004SYNC"		\
+	"\005COLLECTING"	\
+	"\006DISTRIBUTING"	\
+	"\007DEFAULTED"		\
+	"\010EXPIRED"
+
 /* Trunk port settings */
 struct trunk_reqport {
 	char			rp_ifname[IFNAMSIZ];	/* name of the trunk */