Remove references to the now-removed bktr(4) driver.

share/examples/etc/make.conf

@@ -135,7 +135,7 @@
 #MODULES_OVERRIDE=	linux ipfw
 #
 # The list of modules to never build, applied *after* MODULES_OVERRIDE.
-#WITHOUT_MODULES=	bktr plip
+#WITHOUT_MODULES=	plip
 #
 # If you do not want unformatted manual pages to be compressed
 # when they are installed:

share/man/man4/iicbus.4

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 15, 2017
+.Dd March 7, 2021
 .Dt IICBUS 4
 .Os
 .Sh NAME
@@ -101,7 +101,6 @@ Some I2C interfaces are available:
 .It Sy pcf Ta "Philips PCF8584 master/slave interface"
 .It Sy iicbb Ta "generic bit-banging master-only driver"
 .It Sy lpbb Ta "parallel port specific bit-banging interface"
-.It Sy bktr Ta "Brooktree848 video chipset, hardware and software master-only interface"
 .El
 .Sh BUS FREQUENCY CONFIGURATION
 The operating frequency of an I2C bus may be fixed or configurable.
@@ -149,7 +148,6 @@ or the
 .Va I2CRSTCARD
 ioctl to make the change take effect.
 .Sh SEE ALSO
-.Xr bktr 4 ,
 .Xr fdt 4 ,
 .Xr iic 4 ,
 .Xr iicbb 4 ,

share/man/man4/smbus.4

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 10, 1998
+.Dd March 7, 2021
 .Dt SMBUS 4
 .Os
 .Sh NAME
@@ -34,13 +34,12 @@
 .Cd "device smbus"
 .Pp
 .Cd "device iicsmb"
-.Cd "device bktr"
 .Sh DESCRIPTION
 The
 .Em smbus
 system provides a uniform, modular and architecture-independent
 system for the implementation of drivers to control various SMB devices
-and to utilize different SMB controllers (I2C, PIIX4, Brooktree848, vm86...).
+and to utilize different SMB controllers (I2C, PIIX4, vm86...).
 .Sh System Management Bus
 The
 .Em System Management Bus
@@ -61,7 +60,6 @@ The SMBus may share the same host device and physical bus as ACCESS bus
 components provided that an appropriate electrical bridge is provided
 between the internal SMB devices and external ACCESS bus devices.
 .Sh SEE ALSO
-.Xr bktr 4 ,
 .Xr iicbus 4 ,
 .Xr iicsmb 4 ,
 .Xr smb 4