meta-amd: EthanolX platform configuration

This patch adds EthanolX platform configuration and describes the
OpenBMC features that EthanolX will support.

Build Steps:
. setup ethanolx

Build the OpenBMC flash image
"bitbake obmc-phosphor-image"

Flashing
Flash image will be generated here:
"openbmc/build/ethanolx/tmp/deploy/images/ethanolx/
obmc-phosphor-image-ethanolx.static.mtd"

Flash obmc-phosphor-image-ethanolx.static.mtd image using Dediprog.

Running
Connect Serial Cable to Management UART Header and the serial console
should boot OpenBMC console.

Change-Id: I0a56012bf806d33c3229aa9bbaad7f36865af8cc
Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
diff --git a/meta-ethanolx/conf/layer.conf b/meta-ethanolx/conf/layer.conf
new file mode 100644
index 0000000..0d9d81c
--- /dev/null
+++ b/meta-ethanolx/conf/layer.conf
@@ -0,0 +1,12 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH .= ":${LAYERDIR}"
+
+# We have recipes-* directories, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+	${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "ethanolx-layer"
+BBFILE_PATTERN_ethanolx-layer = "^${LAYERDIR}/"
+BBFILE_PRIORITY_ethanolx-layer = "6"
+
+LAYERSERIES_COMPAT_ethanolx-layer = "warrior zeus dunfell"