expat: add version check override

Add version check override script.

Signed-off-by: Wei-Ting Yang <williamatcg@gmail.com>
(cherry picked from commit 0a8e5db764)
Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

libs/expat/test-version.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# shellcheck shell=busybox
+
+case "$PKG_NAME" in
+libexpat)
+	# Shared libraries
+	exit 0
+	;;
+
+*)
+	echo "Untested package: $PKG_NAME" >&2
+	exit 1
+	;;
+esac