meta-wistron: Initial commit for meta-lannister

Add initial commit for Lannister platform.
Lannister is an x86 server platform with an ast2600 BMC.
Update OWNER list.

Tested:
1.Build Lannister image successfully.
2.The image can boot on Lannister platform.

Signed-off-by: Bob King <Bob_King@wistron.com>
Change-Id: Ibf2b8a30b56722f2fd555d356d76d199e7a9dae5
diff --git a/meta-wistron/OWNERS b/meta-wistron/OWNERS
index 96108bb..7ef5ac2 100644
--- a/meta-wistron/OWNERS
+++ b/meta-wistron/OWNERS
@@ -3,7 +3,7 @@
 - Timothy_Huang@wistron.com
 - Claire_Ku@wistron.com
 - Ben_Pai@wistron.com
-- Andy_YF_Wang@wistron.com
-- Ken_Hsu@wistron.com
+- Jet_JC_Lee@wistron.com
+- Lulu_Su@wistron.com
 - Jolie_Ku@wistron.com
 - Bob_King@wistron.com