Fix yang-data-tree-api dependency

Fix yang-data-tree-api dependency

We pull in yang-data-tree-api through bgp-rib-spi, which we expect
all extensions to depend on. Relegating it to scope=test does the wrong
thing, breaking build at least in Eclipse.

While we are at it, fix dependencies for all extensions.

Change-Id: I9464632de0a22d04b1b63df1d669a1676d68bfa3
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit d182218a711030b8ca441281d7da1316f76de5bd)