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

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

(From meta-ibm rev: 85cff8cc9e66049d8ac26271c13f82d894ac572f)

Change-Id: I03c3d41c031343fa584511889c70e3def92cb83d
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor_%.bbappend b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor_%.bbappend
index b60a64b..0fa1105 100644
--- a/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor_%.bbappend
+++ b/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor_%.bbappend
@@ -2,7 +2,7 @@
 
 TMPL_POWERSUPPLY = "phosphor-gpio-presence@.service"
 INSTFMT_POWERSUPPLY = "phosphor-gpio-presence@{0}.service"
-POWERSUPPLY_TGT = "${SYSTEMD_DEFAULT_TARGET}"
+POWERSUPPLY_TGT = "multi-user.target"
 FMT_POWERSUPPLY = "../${TMPL_POWERSUPPLY}:${POWERSUPPLY_TGT}.requires/${INSTFMT_POWERSUPPLY}"
 
 SYSTEMD_LINK_${PN}-presence += "${@compose_list(d, 'FMT_POWERSUPPLY', 'OBMC_POWER_SUPPLY_INSTANCES')}"