This patch make depmod.pl more robust in cross environment. If native
nm did not recognize target's object, you can override it with NM
environment variable.
binary from modutils. This one, however, can be run on the _host_
system (need not be run on the target) and is fully cross platform, so
even if your target is ARM or powerpc or whatever, this will still
work. When used to support the new modprobe applet, this allows
busybox to fully supplant modutils for architectures supported by
busybox insmod.
-Erik
