Move and tweak an #if 0 printf
Fix up device mode vs host mode register naming confusion.

No functional change.
Getting HCINT_SOFTWARE_ONLY from the hardware is an error. KASSERT that
it doesn't happen.
Move mdnsd to beagleboard only. RPI doesn't like it at the moment.
Do not use *bp after freeing it in brelse.
Follow the change from HAS_SSP to HAVE_SSP.
Use sysctl based code netstat -r. Remove support for post-mortem
analysis.
Add missing ';' to fix the build.
Make mips64e[bl] check more generic.
Add support for power management on Mediator 1200 SX and TX models. Allows
software power-off. Feels so modern.
Plug empm(4) into system halt function.
Add empm(4) driver to config files.
Regen config files.
whitespace
use cprng_fast instead of getmicrouptime to generate "random" mac address
because the latter often produces the same addresses for subsequent tap
instances.
update
Note empm(4).
Add empm(4).
Note empm in synopsis.
Import dhcpcd-5.6.7 with the following changes:
* Preserve space in static routes on the command line.
* Check correct interface the RAP came from; fixes PR bin/47433 thanks to
  Taylor R Campbell
* Ensure the nooption works for IPv4 routes