packages: move ctl{d,stat,adm} to the ctl package

This leaves the iscsi package for the iSCSI initiator, and the new
package provides the CAM target layer (including the iSCSI target).

Reviewed by:	manu, des, jhb
Approved by:	des (mentor)
Differential Revision:	https://reviews.freebsd.org/D50287

UPDATING

@@ -27,6 +27,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW:
 	world, or to merely disable the most expensive debugging functionality
 	at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20250527:
+	ctld(8), ctladm(8) and ctlstat(8) have moved to the new FreeBSD-ctl
+	package.  If you use pkgbase and you need the CAM Target Layer, you
+	should install the new package.
+
 20250521:
 	Commit e64fe5ad3a23 removed in6_maxmtu and its setter in6_setmaxmtu().
 	in6_maxmtu is used to store the max IPv6 MTU of all interfaces,

libexec/rc/rc.d/Makefile

@@ -260,10 +260,13 @@ NATDPACKAGE=	natd
 
 .if ${MK_ISCSI} != "no"
 CONFGROUPS+=	ISCSI
-ISCSI=		iscsictl	\
-		iscsid		\
-		ctld
+ISCSI=		iscsictl \
+		iscsid
 ISCSIPACKAGE=	iscsi
+
+CONFGROUPS+=	CTL
+CTL=		ctld
+CTLPACKAGE=	ctl
 .endif
 
 .if ${MK_JAIL} != "no"

usr.bin/ctlstat/Makefile

@@ -1,3 +1,4 @@
+PACKAGE=	ctl
 PROG=		ctlstat
 MAN=		ctlstat.8
 SDIR=		${SRCTOP}/sys

usr.sbin/ctladm/Makefile

@@ -1,6 +1,6 @@
 .include <src.opts.mk>
 
-PACKAGE=	iscsi
+PACKAGE=	ctl
 PROG=		ctladm
 SRCS=		ctladm.c util.c ctl_util.c ctl_nvme_all.c ctl_scsi_all.c
 .PATH:		${SRCTOP}/sys/cam/ctl

usr.sbin/ctld/Makefile

@@ -3,7 +3,7 @@
 CFLAGS+=-I${SRCTOP}/contrib/libucl/include
 .PATH:  ${SRCTOP}/contrib/libucl/include
 
-PACKAGE=	iscsi
+PACKAGE=	ctl
 PROG_CXX=	ctld
 SRCS=		ctld.cc conf.cc discovery.cc isns.cc kernel.cc
 SRCS+=		login.cc parse.y token.l y.tab.h uclparse.cc