meta-romulus: Enable AVS bus and VRM control

Change-Id: I2e66de1fea124c3ba6d5751b9d6a818fe8a65e57
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/meta-ibm/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend b/meta-ibm/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend
new file mode 100644
index 0000000..ac2013f
--- /dev/null
+++ b/meta-ibm/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend
@@ -0,0 +1,2 @@
+RDEPENDS_${PN} += 'avsbus-control'
+RDEPENDS_${PN} += 'vrm-control'