Add the fdformat utility, based on a patch from Kent Robotti,
but I then completely reworked the fdformat utility to comply
with the current busybox way of doing things.
diff --git a/util-linux/Config.in b/util-linux/Config.in
index d2e8272..ae17fe3 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -59,6 +59,12 @@
you change a disk. Most people have working hardware and can safely
say leave this disabled.
+config CONFIG_FDFORMAT
+ bool "fdformat"
+ default n
+ help
+ Fdformat is used to low-level format a floppy disk.
+
config CONFIG_FDISK
bool "fdisk"
default n