configurations: add santabarbara sitv_eth board config

Add sitv eth board configuration.
This board is for testing cable and backplane SI quality.

Change-Id: I27394c4535c83ce55abea7eab4702d8d43f5ecfc
Signed-off-by: Fred Chen <Fred.Chen@quantatw.com>
diff --git a/configurations/meson.build b/configurations/meson.build
index 9ab290e..b86708c 100644
--- a/configurations/meson.build
+++ b/configurations/meson.build
@@ -113,6 +113,7 @@
     'meta/santabarbara_pdb1.json',
     'meta/santabarbara_pdb2.json',
     'meta/santabarbara_scm.json',
+    'meta/santabarbara_sitv_eth.json',
     'meta/santabarbara_sitv_pcie.json',
     'meta/terminus_2x100g_nic_tsff.json',
     'meta/twinlake.json',