tests: also install tests app

Upstream-Status: Inappropriate [configuration]

Signed-off-by: Yu Ke <ke.yu@intel.com>

diff --git a/tests/Makefile.am b/tests/Makefile.am
index bf1987f..d909e19 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -27,10 +27,11 @@ AM_CPPFLAGS = \
 
 LDADD = $(top_builddir)/libdrm.la
 
-check_PROGRAMS = \
+bin_PROGRAMS = \
 	dristat \
 	drmstat
 
+check_PROGRAMS =
 if HAVE_NOUVEAU
 SUBDIRS += nouveau
 endif