meta-ibm: move all services to multi-user.target

Instead of obmc-standby.target, use multi-user.target.

Change-Id: I0d7357c615ed83d2d172d18fce19df71b1c70847
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-witherspoon/recipes-phosphor/chassis/obmc-mgr-inventory%.bbappend b/meta-witherspoon/recipes-phosphor/chassis/obmc-mgr-inventory%.bbappend
index c1d50e6..0165929 100644
--- a/meta-witherspoon/recipes-phosphor/chassis/obmc-mgr-inventory%.bbappend
+++ b/meta-witherspoon/recipes-phosphor/chassis/obmc-mgr-inventory%.bbappend
@@ -9,7 +9,7 @@
 SYSTEMD_ENVIRONMENT_FILE_${PN} += "${@compose_list(d, 'ENV_FILES', 'ITEMS')}"
 
 TMPL = "obmc-sync-inventory-item@.service"
-TGT = "${SYSTEMD_DEFAULT_TARGET}"
+TGT = "multi-user.target"
 
 ETH_SVC = "system-chassis-motherboard-bmc-ethernet.service"
 UUID_SVC = "system-chassis-motherboard-uuid.service"