Add tests/drmdevice to .gitignore

Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
diff --git a/.gitignore b/.gitignore
index 79b2ac1..a45e0af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,6 +76,7 @@
 tests/auth
 tests/amdgpu/amdgpu_test
 tests/dristat
+tests/drmdevice
 tests/drmsl
 tests/drmstat
 tests/getclient