angstrom-feed-configs.bb: stop using base_contains
angstrom-feed-configs.bb: stop using base_contains

The base_contains function is deprecated and we ought to use
bb.utils.contains instead.

Signed-off-by: Max Krummenacher <2adf29ceaf73d2cea8fff1ff57e7b25e74cc8f1f@toradex.com>
Signed-off-by: Koen Kooi <42e3d96910f922bdd7dd1805fe3f8aff634f391d@dominion.thruhere.net>

Angstrom-distribution/meta-angstrom,Angstrom-distribution/meta-angstrom,Angstrom-distribution/meta-angstrom,Angstrom-distribution/meta-angstrom