Re: GNU Mach cpu detection fix

[Alfred M. Szmidt]

   If it's well-tested, then fine by me.

I tested it briefly, seems to work.  And Guillem noted that he already
tested it in his original message.

Commited.

2004-11-22  Guillem Jover  <guillem@hadrons.org>

        * i386/i386/locore.S (discover_x86_cpu_type): Enable function.
        Enable ID flag for Cyrix CPU. Use %ebp to save the stack pointer.
        Restore EFLAGS just after its last usage.
        * i386/i386at/model_dep.c (c_boot_entry): Enable use of
        discover_x86_cpu_type. Remove hardcoded cpu_type assignment.
        * i386/include/mach/i386/eflags.h
        (EFL_VI, EFL_VIP): New bits.
        (EFL_AC, EFL_ID): Bits finally added.