meta-ieisystems: fp5280g3: Add new machine layer

The IEISystmes FP5280G3 is a power platform server with an
AST2600-based BMC.

Tested: Built fp5280g3 successfully.

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I5306b5c9959ad8da21b9e5b24b2fb6799ee795d3
diff --git a/meta-ieisystems/meta-fp5280g3/conf/templates/default/conf-notes.txt b/meta-ieisystems/meta-fp5280g3/conf/templates/default/conf-notes.txt
new file mode 100644
index 0000000..9b3c01a
--- /dev/null
+++ b/meta-ieisystems/meta-fp5280g3/conf/templates/default/conf-notes.txt
@@ -0,0 +1,2 @@
+Common targets are:
+     obmc-phosphor-image