arago.conf: simplify DISTRO_FEATURES logic to not rely on oe/lib
arago.conf: simplify DISTRO_FEATURES logic to not rely on oe/lib

Signed-off-by: Denys Dmytriyenko <d29de71aea38aad3a87d486929cb0aad173ae612@ti.com>

rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago