linuxPackages_latest.broadcom_sta: add missing phase hooks

  makeFlags = [ "KBASE=${kernel.dev}/lib/modules/${kernel.modDirVersion}" ];

  unpackPhase = ''

    runHook preUnpack

    sourceRoot=broadcom-sta

    mkdir "$sourceRoot"

    tar xvf "$src" -C "$sourceRoot"

    runHook postUnpack

  '';

  installPhase = ''

    runHook preInstall

    binDir="$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"

    docDir="$out/share/doc/broadcom-sta/"

    mkdir -p "$binDir" "$docDir"

    cp wl.ko "$binDir"

    cp lib/LICENSE.txt "$docDir"

    runHook postInstall

  '';

  meta = {