meta-google: gbmc-bridge: Request hostname via DHCP

Change-Id: If3dacbfde966de337702b44b9b06b3eb21755546
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.service b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.service
index 145f84b..7eb0ce0 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.service
+++ b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.service
@@ -7,7 +7,7 @@
 [Service]
 Restart=always
 RestartSec=5
-ExecStart=/usr/bin/udhcpc6 -f -q -O bootfile_url -O bootfile_param -i gbmcbr -s /usr/libexec/gbmc-br-dhcp.sh
+ExecStart=/usr/bin/udhcpc6 -f -q -O fqdn -O bootfile_url -O bootfile_param -i gbmcbr -s /usr/libexec/gbmc-br-dhcp.sh
 
 [Install]
 WantedBy=multi-user.target