AST2500: Add AST2500 evaluation board layer

The AST2500 is an ARM SOC made by Aspeed.

This layer is a stub; there are a couple missing bits of support
from the kernel and u-boot.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openbmc-machines/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf b/meta-openbmc-machines/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf
new file mode 100644
index 0000000..1c70336
--- /dev/null
+++ b/meta-openbmc-machines/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf
@@ -0,0 +1,5 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH .= ":${LAYERDIR}"
+
+BBFILE_COLLECTIONS += "evb-ast2500"
+BBFILE_PATTERN_evb-ast2500 = ""