[PATCH 2/9] selftests/damon: cleanup __pycache__/ with 'make clean'

[SeongJae Park <sj@xxxxxxxxxx>]

Python-based tests creates __pycache__/ directory.  Remove it with 'make
clean' by defining it as EXTRA_CLEAN.

Fixes: b5906f5f7359 ("selftests/damon: add a test for update_schemes_tried_regions sysfs command")
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
 tools/testing/selftests/damon/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/damon/Makefile b/tools/testing/selftests/damon/Makefile
index 1e2e98cc809d..5b2a6a5dd1af 100644
--- a/tools/testing/selftests/damon/Makefile
+++ b/tools/testing/selftests/damon/Makefile
@@ -25,4 +25,6 @@ TEST_PROGS += debugfs_target_ids_pid_leak.sh
 TEST_PROGS += sysfs_update_removed_scheme_dir.sh
 TEST_PROGS += sysfs_update_schemes_tried_regions_hang.py
 
+EXTRA_CLEAN = __pycache__
+
 include ../lib.mk
-- 
2.39.2