What happened to 'device-driver' flag in files.i386

[Pat]

Hi there, 

I'm trying to load a T1 Wan Card from Snagoma in my
Freebsd 4.7 system and after inserting 
the vendor instructed entry ( 'i386/isa/sdla_dev.c
optional sdla device-driver' ) in the files.i386 
I get the followong error when I attempt to build the
kernel: 

pc104.nodomain.com (94) -> make buildkernel
KERNCONF=SMPSANGENERIC 

--------------------------------------------------------------

>>> Kernel build for SMPSANGENERIC started on Tue Apr
22 20:24:27 EDT 2003 
--------------------------------------------------------------

===> SMPSANGENERIC 
mkdir -p /usr/obj/usr/src/sys 
cd /usr/src/sys/i386/conf; 
PATH=/usr/obj/usr/src/i386/usr/sbin:/usr/obj/usr/src/i386/usr/bin:/usr/obj/usr/src/i386/usr/games:/sbin:/bin:/usr/sbin:/usr/bin

config  -d /usr/obj/usr/src/sys/SMPSANGENERIC
SMPSANGENERIC 
../../conf/files.i386: `device-driver' flag obsolete. 
*** Error code 1 

Stop in /usr/src. 
*** Error code 1 

Stop in /usr/src. 
pc104.nodomain.com (95) -> 

It seems that, under FreeBsd 4.7,  the device-driver
flag is no longer recognized. 
I'm in desperate needs on any ideas or recommendations
 on how to resolve this issue 

Any help would be highly appreciated.

Thanks 

Pat. 

BTW, I've read from the net that if you omit this
flag, the kernel will compile but not install. 

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