message: Makefile: add clean target
  Add clean target to remove all build targets.
diff: @@ -72,6 +72,10 @@ fusedev:
  $(call build_nydus,$@,$@)
  $(call static_check,$@,target-$@)
  +clean:
  + cargo clean --target-dir target-virtiofs
  + cargo clean --target-dir target-fusedev
  +
  PACKAGES = rafs storage
  # If virtiofs test must be performed, only run binary part
  