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-evb-aspeed/meta-evb-ast2500/conf/machine/evb-ast2500.conf b/meta-evb-aspeed/meta-evb-ast2500/conf/machine/evb-ast2500.conf
new file mode 100644
index 0000000..559e2b6
--- /dev/null
+++ b/meta-evb-aspeed/meta-evb-ast2500/conf/machine/evb-ast2500.conf
@@ -0,0 +1,6 @@
+KMACHINE = "aspeed"
+KERNEL_DEVICETREE = "${KMACHINE}-ast2500-evb.dtb"
+
+require conf/machine/include/ast2500.inc
+require conf/machine/include/obmc-bsp-common.inc
+require conf/machine/include/sample.inc