message: utils: tweek Cargo.toml for powerpc64le again
  Tweek Cargo.toml for powerpc64le again.
diff: @@ -25,9 +25,9 @@ nix = "0.24"
  nydus-error = { version = "0.2", path = "../error" }
  -[target.'cfg(target_arch = "powerpc64")'.dependencies]
  +[target.'cfg(target_arch = "powerpc64le")'.dependencies]
  libz-sys = { version = "1.1.8", optional = true }
  -[target.'cfg(not(target_arch = "powerpc64"))'.dependencies]
  +[target.'cfg(not(target_arch = "powerpc64le"))'.dependencies]
  libz-sys = { version = "1.1.8", package = "libz-ng-sys", optional = true }
  [dev-dependencies]
  