Rework Openconfig State Features dependencies
Rework Openconfig State Features dependencies

Openconfig State Features should depend on rib-impl
feature and not the other way around

Change-Id: Id40c99a637b670d6d4591c090321f77ecab39a8f
Signed-off-by: Claudio D. Gasparini <3480fb4575078d890be8aed0007cb1d8785aa579@cisco.com>

opendaylight/bgpcep