Complete the commits to update to NSS 3.21
    
    - Add files missed in previous commit as they weren't staged
    - Package listsuites as part of the unsupported tools set
    - Resolves: Bug 1279912 - nss-3.21 is available
    - Resolves: Bug 1258425 - Use __isa_bits macro instead of list of 64-bit
    - Resolves: Bug 1280032 - Package listsuites as part of the nss unsupported tools set