classes: bundle: depend on do_unpack instead of do_fetch
classes: bundle: depend on do_unpack instead of do_fetch

Having build dependencies on do_fetch is quite ugly, especially as it
will trigger a full image build when executing '-c fetchall' on the bundle.

Signed-off-by: Enrico Joerns <a2e5f936c390f36494e46e71bcfbe365bb1e8c49@pengutronix.de>

rauc/meta-rauc,rauc/meta-rauc,rauc/meta-rauc,rauc/meta-rauc