drm/ttm/tests: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_device_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_pool_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_resource_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_tt_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_bo_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_mock_manager.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240624-md-drivers-gpu-drm-ttm-tests-v2-1-76bb765e19c9@quicinc.comSigned-off-by: Christian König <christian.koenig@amd.com>

drivers/gpu/drm/ttm/tests/ttm_bo_test.c

@@ -633,4 +633,5 @@ static struct kunit_suite ttm_bo_test_suite = {
 
 kunit_test_suites(&ttm_bo_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_bo APIs");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c

@@ -1221,4 +1221,5 @@ static struct kunit_suite ttm_bo_validate_test_suite = {
 
 kunit_test_suites(&ttm_bo_validate_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_bo APIs");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_device_test.c

@@ -209,4 +209,5 @@ static struct kunit_suite ttm_device_test_suite = {
 
 kunit_test_suites(&ttm_device_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_device APIs");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c

@@ -301,4 +301,5 @@ void ttm_test_devices_fini(struct kunit *test)
 }
 EXPORT_SYMBOL_GPL(ttm_test_devices_fini);
 
+MODULE_DESCRIPTION("TTM KUnit test helper functions");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_mock_manager.c

@@ -230,4 +230,5 @@ void ttm_bad_manager_fini(struct ttm_device *bdev, uint32_t mem_type)
 }
 EXPORT_SYMBOL_GPL(ttm_bad_manager_fini);
 
+MODULE_DESCRIPTION("KUnit tests for ttm with mock resource managers");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_pool_test.c

@@ -433,4 +433,5 @@ static struct kunit_suite ttm_pool_test_suite = {
 
 kunit_test_suites(&ttm_pool_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_pool APIs");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_resource_test.c

@@ -332,4 +332,5 @@ static struct kunit_suite ttm_resource_test_suite = {
 
 kunit_test_suites(&ttm_resource_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_resource and ttm_sys_man APIs");
 MODULE_LICENSE("GPL and additional rights");

drivers/gpu/drm/ttm/tests/ttm_tt_test.c

@@ -398,4 +398,5 @@ static struct kunit_suite ttm_tt_test_suite = {
 
 kunit_test_suites(&ttm_tt_test_suite);
 
+MODULE_DESCRIPTION("KUnit tests for ttm_tt APIs");
 MODULE_LICENSE("GPL and additional rights");