bytedance: g220a: Initial commit for meta-g220a

G220a is an x86 server platform with an ast2500 BMC

Signed-off-by: John Wang <wangzhiqiang.bj@bytedance.com>
Change-Id: Iae5499c5f86999a882862cc11aa040d760661d1e
diff --git a/meta-g220a/conf/conf-notes.txt b/meta-g220a/conf/conf-notes.txt
new file mode 100644
index 0000000..9b3c01a
--- /dev/null
+++ b/meta-g220a/conf/conf-notes.txt
@@ -0,0 +1,2 @@
+Common targets are:
+     obmc-phosphor-image