[commit] Allow the distribution to set the hash-style and enable it for angstrom

[commit] Allow the distribution to set the hash-style and enable it for angstrom
    With binutils >= 2.17 we can use --hash-style=both and this will work
    with all versions of glibc. glibc >= 2.5 can take advantage of the new hash
    style and should give better application startup.