Add raspberrypi as a platform

Add configure files to build OpenBMC for Raspberrypi.

Resolves openbmc/openbmc#399

Change-Id: Ibc9ca0357b672c2af8436dc310bc1f10f7773c55
Signed-off-by: Yi Li <adamliyi@msn.com>
diff --git a/meta-evb-raspberrypi/conf/bblayers.conf.sample b/meta-evb-raspberrypi/conf/bblayers.conf.sample
new file mode 100644
index 0000000..7a44760
--- /dev/null
+++ b/meta-evb-raspberrypi/conf/bblayers.conf.sample
@@ -0,0 +1,27 @@
+# LAYER_CONF_VERSION is increased each time build/conf/bblayers.conf
+# changes incompatibly
+LCONF_VERSION = "6"
+
+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##/import-layers/meta-raspberrypi \
+  "
+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##/import-layers/meta-raspberrypi \
+  "