This method is needed to support startup of the prservice. As it is so
generic we can add it to the common asyncrpc module.
(Bitbake rev: 25ccd697ea76f66b813be2296866b2d3405b079c)
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>