Zaius: Rearrange vcs-on/refclock-fixup/avsbus-en

Move vcs-on@.service, op-refclock@.service, and
avsbus-enable@0.service to run as part of
obmc-power-chassis-on.target instead of obmc-chassis-start.target
so that after starting just obmc-chassis-start@0.target cronus
will be able to run.

Resolves openbmc/openbmc#1396

Change-Id: Ic00614abc3ea27167041614e63eed392b5b622f9
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-zaius/recipes-phosphor/chassis/refclock-fixup.bb b/meta-zaius/recipes-phosphor/chassis/refclock-fixup.bb
index ac2c585..2b2bb71 100644
--- a/meta-zaius/recipes-phosphor/chassis/refclock-fixup.bb
+++ b/meta-zaius/recipes-phosphor/chassis/refclock-fixup.bb
@@ -6,8 +6,8 @@
 
 TMPL = "op-refclock-fixup@.service"
 INSTFMT = "op-refclock-fixup@{0}.service"
-TGTFMT = "obmc-chassis-start@{0}.target"
-FMT = "../${TMPL}:${TGTFMT}.wants/${INSTFMT}"
+TGTFMT = "obmc-power-chassis-on@{0}.target"
+FMT = "../${TMPL}:${TGTFMT}.requires/${INSTFMT}"
 
 SYSTEMD_SERVICE_${PN} += "${TMPL}"
 SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT', 'OBMC_CHASSIS_INSTANCES')}"