radeontop: remove outdated note from description

      blocks. Supports R600 and later cards: even Southern Islands should work.

      Works with both the open drivers and AMD Catalyst. Total GPU utilization

      is also valid for OpenCL loads; the other blocks are only useful for GL

      loads. Requires root rights or other permissions to read /dev/mem.

      loads.

    '';

    homepage = "https://github.com/clbr/radeontop";

    platforms = platforms.linux;