Implement basic yocto build setup based on protos from jhnc-oss

meta-caros/conf/layer.conf

@@ -0,0 +1,20 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH =. "${LAYERDIR}:"
+
+# We have recipes-* directories, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "meta-caros"
+BBFILE_PATTERN_meta-caros = "^${LAYERDIR}/"
+BBFILE_PRIORITY_meta-caros = "5"
+
+LAYERSERIES_COMPAT_meta-caros = "kirkstone"
+
+# This should only be incremented on significant changes that will
+# cause compatibility issues with other layers
+LAYERVERSION_meta-caros = "1"
+
+LAYERDEPENDS_meta-caros = "core"
+
+REQUIRED_POKY_BBLAYERS_CONF_VERSION = "2"