arago.conf: add support for opencl, opencv, openmp distro features
arago.conf: add support for opencl, opencv, openmp distro features

Disable opencv for now, due to breakage with external arm toolchain.

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