edd tbdf printed incorrectly as the second argument to vaddconf is a base,
not a number of bytes in the marshaled integer.

Reference: /n/atom/patch/applied2013/ipleddtbdf
Date: Tue Oct 29 04:48:15 CET 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/boot/pcipl/edd.c	Tue Oct 29 04:47:27 2013
+++ /sys/src/boot/pcipl/edd.c	Tue Oct 29 04:47:28 2013
@@ -76,7 +76,7 @@
 		ip = (Eddbdf*)p->ipath;
 		n = mkbus(ip->bus, ip->slot, ip->fn);
 		confappend("tbdf=", 5);
-		vaddconf(n, 4);
+		vaddconf(n, 16);
 	}
 	if(memcmp(p->iface, "ATA", 3) == 0)
 		n = 2;