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/fans/phosphor-fan_%.bbappend b/meta-witherspoon/recipes-phosphor/fans/phosphor-fan_%.bbappend
index c70cbc8..7467d36 100644
--- a/meta-witherspoon/recipes-phosphor/fans/phosphor-fan_%.bbappend
+++ b/meta-witherspoon/recipes-phosphor/fans/phosphor-fan_%.bbappend
@@ -9,7 +9,7 @@
 
 TMPL_COOLING = "phosphor-cooling-type@.service"
 INSTFMT_COOLING = "phosphor-cooling-type@{0}.service"
-COOLING_TGT = "${SYSTEMD_DEFAULT_TARGET}"
+COOLING_TGT = "multi-user.target"
 FMT_COOLING = "../${TMPL_COOLING}:${COOLING_TGT}.requires/${INSTFMT_COOLING}"
 
 FILES_phosphor-cooling-type = "${sbindir}/phosphor-cooling-type"