move service file, dbus conf into repo

Move the service file for phosphor-networkd from the bitbake recipe to
the source repository.
Move the dbus configuration file for phosphor-network from a generated
file to the source repository.

Tested: Verified dbus conf and service file were installed where
expected.
Change-Id: Idd1a1872aeb020f6b0e2eb9dba7c2e96198be2af
Signed-off-by: Patrick Venture <venture@google.com>
4 files changed