configurations: yosemite5: add E1S expansion board config

Initial E1S expansion board configuration files for Yosemite5 system.

Change-Id: I685ff12477e4db1c71ed2b894c633a6d9b2d4e86
Signed-off-by: Ken Chen <Ken.Chen@quantatw.com>
diff --git a/configurations/meson.build b/configurations/meson.build
index b86708c..52717fe 100644
--- a/configurations/meson.build
+++ b/configurations/meson.build
@@ -157,6 +157,7 @@
     'meta/yosemite4_wailuafalls.json',
     'meta/yosemite4n.json',
     'meta/yosemite5_1kw_paddle_board.json',
+    'meta/yosemite5_e1s_expansion_board.json',
     'meta/yosemite5_mb.json',
     'meta/yosemite5_medusa_board.json',
     'meta/yosemite5_scm.json',