arago.conf: enable FIT image for am3 and k2e HS platforms
arago.conf: enable FIT image for am3 and k2e HS platforms

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