Switch to toybox netcat.

Time to find out what, if anything, still needs to be done to the toybox
netcat. We have a couple of users who need the toybox one already,
so it's probably ahead at this point.

Bug: N/A
Test: `nc --version`
Change-Id: I6ee3d002acb62d4cf5aa79b8c556131d16e55afa
1 file changed
tree: 547779f668a52710906861cce6a14f5e3526e80d
  1. CleanSpec.mk
  2. MODULE_LICENSE_BSD
  3. NOTICE
  4. atomicio.c
  5. atomicio.h
  6. netcat.c