Witherspoon VRM overrides

Overrides the default voltages of Witherspoon
VRMs before a power on.

Change-Id: Ide881b4b0656f53782459a427f8acde729137822
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/vrm-control@.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/vrm-control@.service
new file mode 100644
index 0000000..716c526
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/vrm-control@.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Apply voltage overrides to VRMs
+Wants=avsbus-disable@%i.service
+After=avsbus-disable@%i.service
+Before=avsbus-enable@%i.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/vrm-control.sh vdna=0.9 vddra=1.35 vdnb=0.9 vddrb=1.35
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target