add support for David Greenman's "ed" driver.

sys/arch/i386/conf/PAIN

@@ -1,7 +1,7 @@
 #
 # PAIN -- kernel for another of cgd's 486/50 EISA boxes...
 #
-#	$Id: PAIN,v 1.5 1993/07/02 10:09:17 cgd Exp $
+#	$Id: PAIN,v 1.6 1993/07/03 12:19:36 cgd Exp $
 #
 machine         "i386"
 cpu             "I486_CPU"
@@ -34,7 +34,7 @@ disk            sd0     at ahb0 flags 0 drive 000
 disk            sd1     at ahb0 flags 0 drive ?
 tape		st0	at ahb0 flags 1	drive ?
 
-device          we0 at isa? port 0x300 net irq 5 iomem 0xca000 iosiz 8192 vector weintr
+device          ed0 at isa? port 0x300 net irq 5 iomem 0xca000 vector edintr
 device          com0    at isa? port "IO_COM1" tty irq 4 vector comintr
 device          com1    at isa? port "IO_COM2" tty irq 3 vector comintr
 device          lpt0    at isa? port "IO_LPT1" tty irq 7 vector lptintr

sys/arch/i386/conf/SUN_LAMP

@@ -1,7 +1,7 @@
 #
 # SUN_LAMP -- kernel for one of cgd's 486/50 EISA boxes...
 #
-#	$Id: SUN_LAMP,v 1.19 1993/06/06 04:18:54 cgd Exp $
+#	$Id: SUN_LAMP,v 1.20 1993/07/03 12:19:37 cgd Exp $
 #
 machine		"i386"
 cpu		"I486_CPU"
@@ -49,7 +49,7 @@ disk		sd5	at ahb0 flags 0 drive ?
 tape		st2	at ahb0 flags 1 drive ?
 disk		cd1	at ahb0	flags 2 drive ?
 
-device		we0 at isa? port 0x300 net irq 10 iomem 0xd0000 iosiz 8192 vector weintr
+device		ed0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector edintr
 
 pseudo-device	loop
 pseudo-device	ether

sys/arch/i386/conf/files.i386

@@ -1,4 +1,4 @@
-#	$Id: files.i386,v 1.19 1993/06/14 15:16:23 mycroft Exp $
+#	$Id: files.i386,v 1.20 1993/07/03 12:19:38 cgd Exp $
 #
 arch/i386/i386/autoconf.c	standard
 arch/i386/i386/cons.c		standard
@@ -24,6 +24,7 @@ arch/i386/isa/com.c		optional com device-driver requires isa
 arch/i386/isa/dcfclk.c		optional dcfclk device-driver requires isa
 arch/i386/isa/fd.c		optional fd device-driver requires isa
 arch/i386/isa/if_ec.c		optional ec device-driver requires ether isa
+arch/i386/isa/if_ed.c		optional ed device-driver requires ether isa
 arch/i386/isa/if_is.c		optional is device-driver requires ether isa 
 arch/i386/isa/if_ix.c		optional ix device-driver requires ether isa
 arch/i386/isa/if_ne.c		optional ne device-driver requires ether isa