Makefile: Create separate 'link_virt' and 'link_vt' targets

Add a little more granularity to our Makefile. 'make link'
still works the way one would expect it to.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

Makefile

@@ -73,11 +73,15 @@ check: clean
 check_cyclical:
 	selftests/cyclical_deps avocado
 
-link:
+link: link_virt link_vt
+
+link_virt:
 	test -d ../avocado-virt/avocado/virt && ln -s ../../avocado-virt/avocado/virt avocado || true
 	test -f ../avocado-virt/etc/avocado/conf.d/virt.conf && ln -s ../../../../avocado-virt/etc/avocado/conf.d/virt.conf etc/avocado/conf.d/ || true
 	test -f ../avocado-virt/avocado/core/plugins/virt.py && ln -s ../../../../avocado-virt/avocado/core/plugins/virt.py avocado/core/plugins/ || true
 	test -f ../avocado-virt/avocado/core/plugins/virt_bootstrap.py && ln -s ../../../../avocado-virt/avocado/core/plugins/virt_bootstrap.py avocado/core/plugins/ || true
+
+link_vt:
 	test -f ../avocado-vt/etc/avocado/conf.d/virt-test.conf && ln -s ../../../../avocado-vt/etc/avocado/conf.d/virt-test.conf etc/avocado/conf.d/ || true
 	test -f ../avocado-vt/avocado/core/plugins/virt_test.py && ln -s ../../../../avocado-vt/avocado/core/plugins/virt_test.py avocado/core/plugins/ || true
 	test -f ../avocado-vt/avocado/core/plugins/virt_test_list.py && ln -s ../../../../avocado-vt/avocado/core/plugins/virt_test_list.py avocado/core/plugins/ || true