Switch DEC 3000 (TURBOchannel) alpha serial code to MI z8530 code.

ttyB* minor numbers change; be sure to rerun MAKEDEV if you do not
upgrade with bsd.rd
Adapted from NetBSD by miod@

src/etc/MAKEDEV.common

@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.96 2017/10/16 20:26:52 naddy Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.97 2017/11/02 14:04:24 mpi Exp $-})dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
 dnl
@@ -136,8 +136,6 @@ target(all, apm)dnl
 target(all, acpi)dnl
 twrget(all, tth, ttyh, 0, 1)dnl
 target(all, ttyA, 0, 1)dnl
-target(all, ttyB, 0, 1, 2, 3, 4, 5)dnl
-twrget(all, attyB, ttyB, 0, 1, 2, 3, 4)dnl
 twrget(all, mac_tty0, tty0, 0, 1)dnl
 twrget(all, tzs, tty, a, b, c, d)dnl
 twrget(all, czs, cua, a, b, c, d)dnl
@@ -409,8 +407,7 @@ __devitem(tty0, tty00, Standard serial port,com)dnl
 __devitem(mac_tty0, tty00, Standard serial port,zsc)dnl
 __devitem(ttyz, tty[a-d], On-board zs serial ports,zs)dnl
 __devitem(cuaz, cua[a-d], On-board zs serial ports,zs)dnl
-__devitem(ttyB, ttyB?, DEC 3000 ZS8530 ("scc") serial ports,scc)dnl
-__devitem(scc, scc*, 82530 serial interface,scc)dnl
+__devitem(ttyB, ttyB*, DEC 3000 serial ports,zs)dnl
 __devtitle(spec, Special purpose devices)dnl
 _mkdev(apm, apm*, {-M apm	c major_apm_c 0 644
 	M apmctl	c major_apm_c 8 644-})dnl

src/etc/etc.alpha/MAKEDEV.md

@@ -1,6 +1,6 @@
 define(MACHINE,alpha)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.70 2016/09/11 19:59:53 deraadt Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.71 2017/11/02 14:04:24 mpi Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -17,7 +17,6 @@ dnl WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 dnl ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 dnl
-dnl
 _TITLE(make)
 _DEV(all)
 _DEV(ramdisk)
@@ -35,8 +34,8 @@ _DEV(ch, 14)
 _DEV(st, 12)
 _TITLE(term)
 _DEV(com, 26)
-_DEV(ttyB)
 _DEV(ttyc, 38)
+_DEV(ttyB, 15)
 _TITLE(pty)
 _DEV(ptm, 55)
 _DEV(pty, 5)
@@ -96,7 +95,7 @@ _std(1, 2, 39, 6)
 ttyB*|ttyc*)
 	U=${i##tty?}
 	case $i in
-	ttyB*)	type=B major=15 minor=Mult($U, 2);;
+	ttyB*)	type=B major=15 minor=$U;;
 	ttyc*)	type=c major=38 minor=$U;;
 	esac
 	M tty$type$U c $major $minor 660 dialer root
@@ -115,7 +114,7 @@ twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, tap, 0, 1, 2, 3)dnl
-target(all, xy, 0, 1, 2, 3)dnl
+target(all, ttyB, 0, 1)dnl
 target(all, rd, 0)dnl
 target(all, cd, 0, 1)dnl
 target(all, sd, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl

src/etc/etc.alpha/ttys

@@ -1,5 +1,5 @@
 #
-#	$OpenBSD: ttys,v 1.13 2008/01/09 17:39:41 miod Exp $
+#	$OpenBSD: ttys,v 1.14 2017/11/02 14:04:24 mpi Exp $
 #
 # name	getty				type	status		comments
 
@@ -19,8 +19,8 @@ ttyC5	"/usr/libexec/getty std.9600"	vt220 off secure
 
 # DEC 3000 Z8530 ("scc") serial ports
 ttyB0	"/usr/libexec/getty std.9600"	unknown off secure
-ttyB1	"/usr/libexec/getty std.9600"	unknown off
+ttyB1	"/usr/libexec/getty std.9600"	unknown off secure
 
 # AlphaStation NS16550 ("com") serial ports
 tty00	"/usr/libexec/getty std.9600"	unknown off secure
-tty01	"/usr/libexec/getty std.9600"	unknown off
+tty01	"/usr/libexec/getty std.9600"	unknown off secure