The atom-pc preempt-rt configuration wasn't pulling in the common-pc
settings, and wasn't defining re-use of the preempt-rt/base branch
properly.
(From OE-Core rev: f60c20322018afe9d27aa2d3b085c58ff0dee867)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>