[PATCH] Obsolete old platforms

[Jose E. Marchesi]

Hi Tristan.

    + sparclet-*-aout* | \
    + sparc86x-*-aout* | \
    + sparc*-*-chorus* | \
    + sparc-*-linux*aout* | \
    + sparc-*-netbsdaout* | \
    + sparc-*-openbsd[0-2].* | sparc-*-openbsd3.[0-1] | \
    + sparc-*-netware* | \
    + sparc64-*-aout* | \
    + sparc*-*-coff* | \
    + sparc-*-rtems* | \

The sparc part looks good to me.