Poky commit 69b6eaca3d9b635e8a61a0fdbd814b558e91901d [autotools:
Enable separate builddir by default] enforced separate build
directories, which is supported by automake.  Make some minor updates
to the recipes and upstream source to allow builds to work with
separated src and build directories.

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>