Add new needed text files to distribution.
diff --git a/Makefile.am b/Makefile.am
index 74b3343..1aca995 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,8 @@ else
JANSSON_INCLUDES=
endif
-EXTRA_DIST = example-cfg.json m4/gnulib-cache.m4
+EXTRA_DIST = example-cfg.json m4/gnulib-cache.m4 linux-usb-cgminer \
+ ADL_SDK/readme.txt
SUBDIRS = lib compat ccan