msm: kgsl: Cleanup virtual files on module exit

Make sure that all sysfs and debugfs entries
are cleaned up when the driver exits.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index f4cff77..5d20d9b 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -2087,6 +2087,8 @@
 
 	kgsl_drm_exit();
 	kgsl_cffdump_destroy();
+	kgsl_core_debugfs_close();
+	kgsl_sharedmem_uninit_sysfs();
 }
 
 static int __init kgsl_core_init(void)