Migrate OSGI compendium reference
Migrate OSGI compendium reference

OSGi R6 has moved the artifact declaration, make sure we do not use
the R5 one.

Change-Id: If1fcfbdc97fbba1d6ee962a77046a13bdf6da7e2
Signed-off-by: Robert Varga <91ae5aa8c7a9f7e57b701db766e23e544aaa6ae9@pantheon.tech>

opendaylight/controller