meta-facebook: OWNERS: update Amithash's email address

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I278c0c50ccf69448143364d3ac41eb52b7352b00
diff --git a/meta-facebook/OWNERS b/meta-facebook/OWNERS
index f0f5c46..7c37f9a 100644
--- a/meta-facebook/OWNERS
+++ b/meta-facebook/OWNERS
@@ -1,3 +1,3 @@
 owners:
-- amithash@fb.com
+- amithash@meta.com
 - patrick@stwcx.xyz