arago.conf: cleanup and document additional package configuration
arago.conf: cleanup and document additional package configuration

Signed-off-by: Denys Dmytriyenko <d29de71aea38aad3a87d486929cb0aad173ae612@ti.com>
Acked-by: Franklin Cooper Jr. <b8c01a1703dc362919183054a071c1f348818c23@ti.com>

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