git: 71746ff01dc0 - stable/13 - Remove references to sio(4) from NOTES

The branch stable/13 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=71746ff01dc0352205a517bf7870768f67a23633

commit 71746ff01dc0352205a517bf7870768f67a23633
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2021-12-06 19:14:43 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2021-12-10 18:31:21 +0000

    Remove references to sio(4) from NOTES
    
    Also zs(4) and sab(4), which have similarly been removed.
    
    Reviewed by:    imp, jhb, emaste
    MFC after:      3 days
    Differential Revision:  https://reviews.freebsd.org/D33279
    
    (cherry picked from commit 339ef8277350884079d7b8c46f21b5bdb63afac0)
---
 sys/conf/NOTES | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index f172b9e93d9c..23105253c2b3 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -1724,8 +1724,7 @@ envvar		hint.ata.1.port="0x170"
 envvar		hint.ata.1.irq="15"
 
 #
-# uart: newbusified driver for serial interfaces.  It consolidates the sio(4),
-#	sab(4) and zs(4) drivers.
+# uart: generic driver for serial interfaces.
 #
 device		uart
 
@@ -1748,15 +1747,14 @@ envvar		hint.uart.0.port="0x3f8"
 envvar		hint.uart.0.flags="0x10"
 envvar		hint.uart.0.baud="115200"
 
-# `flags' for serial drivers that support consoles like sio(4) and uart(4):
+# `flags' for serial drivers that support consoles, like uart(4):
 #	0x10	enable console support for this unit.  Other console flags
 #		(if applicable) are ignored unless this is set.  Enabling
 #		console support does not make the unit the preferred console.
-#		Boot with -h or set boot_serial=YES in the loader.  For sio(4)
-#		specifically, the 0x20 flag can also be set (see above).
+#		Boot with -h or set boot_serial=YES in the loader.
 #		Currently, at most one unit can have console support; the
 #		first one (in config file order) with this flag set is
-#		preferred.  Setting this flag for sio0 gives the old behavior.
+#		preferred.
 #	0x80	use this port for serial line gdb support in ddb.  Also known
 #		as debug port.
 #