meta-hxt: stardragon4800-rep2: move all services to multi-user.target

Hard-code multi-user.target instead of SYSTEMD_DEFAULT_TARGET.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ibc79c01ef59048322f24cb710973433d977d7400
diff --git a/meta-stardragon4800-rep2/recipes-phosphor/console/stardragon4800-rep2-console-client/stardragon4800-rep2-console-client@.service b/meta-stardragon4800-rep2/recipes-phosphor/console/stardragon4800-rep2-console-client/stardragon4800-rep2-console-client@.service
index dce0eec..0e2772c 100644
--- a/meta-stardragon4800-rep2/recipes-phosphor/console/stardragon4800-rep2-console-client/stardragon4800-rep2-console-client@.service
+++ b/meta-stardragon4800-rep2/recipes-phosphor/console/stardragon4800-rep2-console-client/stardragon4800-rep2-console-client@.service
@@ -6,4 +6,4 @@
 SyslogIdentifier=stardragon4800-rep2-console-client.sh
 
 [Install]
-WantedBy={SYSTEMD_DEFAULT_TARGET}
+WantedBy=multi-user.target