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/bblayers.conf.sample b/meta-ethanolx/conf/bblayers.conf.sample
new file mode 100644
index 0000000..d84dbc7
--- /dev/null
+++ b/meta-ethanolx/conf/bblayers.conf.sample
@@ -0,0 +1,29 @@
+# LAYER_CONF_VERSION is increased each time build/conf/bblayers.conf
+# changes incompatibly
+LCONF_VERSION = "8"
+
+BBPATH = "${TOPDIR}"
+BBFILES ?= ""
+
+BBLAYERS ?= " \
+  ##OEROOT##/meta \
+  ##OEROOT##/meta-openembedded/meta-oe \
+  ##OEROOT##/meta-openembedded/meta-networking \
+  ##OEROOT##/meta-openembedded/meta-perl \
+  ##OEROOT##/meta-openembedded/meta-python \
+  ##OEROOT##/meta-phosphor \
+  ##OEROOT##/meta-aspeed \
+  ##OEROOT##/meta-amd \
+  ##OEROOT##/meta-amd/meta-ethanolx \
+  "
+BBLAYERS_NON_REMOVABLE ?= " \
+  ##OEROOT##/meta \
+  ##OEROOT##/meta-openembedded/meta-oe \
+  ##OEROOT##/meta-openembedded/meta-networking \
+  ##OEROOT##/meta-openembedded/meta-perl \
+  ##OEROOT##/meta-openembedded/meta-python \
+  ##OEROOT##/meta-phosphor \
+  ##OEROOT##/meta-aspeed \
+  ##OEROOT##/meta-amd \
+  ##OEROOT##/meta-amd/meta-ethanolx \
+  "