Make "file" command happy with some config.mk files; update CHANGELOG
diff --git a/board/ixdp425/config.mk b/board/ixdp425/config.mk
index 0436c5b..ecff8d7 100644
--- a/board/ixdp425/config.mk
+++ b/board/ixdp425/config.mk
@@ -1 +1,2 @@
+#
 TEXT_BASE = 0x00f80000