Move generic DISTRO_FEATURES to rdkm common config

[arun-madhavan-013]

Problem/Opportunity

Following DISTRO_FEATURES are generic; it should not be added in product layer

DISTRO_FEATURES:append = " cobalt-25"
DISTRO_FEATURES:append = " enable_cobalt_plugin"

Steps to reproduce

No response

Expected Behavior

Generic DISTRO_FEATURES should not be present in individual product configurations.

Actual Behavior

Generic DISTRO_FEATURES is being added in product specific layer

Notes (Optional)

No response

[arun-madhavan-013]

This is addressed by rdkcentral/rdke-common-config@c972661