The new prserv connect() function decouples the code in oe-core from the
exact classes and implementation details used within bitbake. This
allows us to more easily switch over to a new asyncrpc based prservice.
(From OE-Core rev: 6bf39c5c8cf09e3f2ce6eba13b9d18193bce9655)
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>