The crude loop I wrote to come up with this changeset:

  find -L package/feeds/packages/ -name patches | \
  sed 's/patches$/refresh/' | sort | xargs make

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>

Musl only specifies in/outb for x86/x86. Use the fallback path in case
musl is used.

This should fail compilation during the linking stage but for some reason
does not. Will do if -Werror=implicit-function-declaration is specified.

Fixed up license information.

Other small cleanups.

Signed-off-by: Rosen Penev <rosenp@gmail.com>