meta-openbmc-machines: Add Romulus

Romulus is a Power9 OpenPOWER system developed by IBM.

TODO:
 - bump skeleton for config/Romulus.py
 - bump kernel for device tree

Change-Id: I9779f213e3ebc6286f6eaac35650e6c4fe395f80
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-romulus/conf/bblayers.conf.sample b/meta-romulus/conf/bblayers.conf.sample
new file mode 100644
index 0000000..14b6687
--- /dev/null
+++ b/meta-romulus/conf/bblayers.conf.sample
@@ -0,0 +1,35 @@
+# LAYER_CONF_VERSION is increased each time build/conf/bblayers.conf
+# changes incompatibly
+LCONF_VERSION = "7"
+
+BBPATH = "${TOPDIR}"
+BBFILES ?= ""
+
+BBLAYERS ?= " \
+  ##OEROOT##/meta \
+  ##OEROOT##/meta-poky \
+  ##OEROOT##/import-layers/meta-openembedded/meta-oe \
+  ##OEROOT##/import-layers/meta-openembedded/meta-networking \
+  ##OEROOT##/import-layers/meta-openembedded/meta-python \
+  ##OEROOT##/import-layers/meta-virtualization \
+  ##OEROOT##/meta-phosphor \
+  ##OEROOT##/meta-openbmc-bsp/meta-aspeed \
+  ##OEROOT##/meta-openbmc-bsp/meta-aspeed/meta-ast2500 \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower/meta-ibm \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus \
+  "
+BBLAYERS_NON_REMOVABLE ?= " \
+  ##OEROOT##/meta \
+  ##OEROOT##/meta-poky \
+  ##OEROOT##/import-layers/meta-openembedded/meta-oe \
+  ##OEROOT##/import-layers/meta-openembedded/meta-networking \
+  ##OEROOT##/import-layers/meta-openembedded/meta-python \
+  ##OEROOT##/import-layers/meta-virtualization \
+  ##OEROOT##/meta-phosphor \
+  ##OEROOT##/meta-openbmc-bsp/meta-aspeed \
+  ##OEROOT##/meta-openbmc-bsp/meta-aspeed/meta-ast2500 \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower/meta-ibm \
+  ##OEROOT##/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus \
+  "