configs: add configs for Minerva system

Add configurations for Minerva to support USB debug card.

Change-Id: I942e3839a63a95fd3bb04148399abaf1f453f879
Signed-off-by: Yang Chen <yang.chen@quantatw.com>
diff --git a/configs/minerva/post_desc.json b/configs/minerva/post_desc.json
new file mode 100644
index 0000000..00cb5fb
--- /dev/null
+++ b/configs/minerva/post_desc.json
@@ -0,0 +1,3 @@
+{
+    "Phase1": [["0x00", ""]]
+}