fix for arm target.ld

[Andrew Lunn]

> Ah now I see, gcc-3.x doesn't define "arm" (still using gcc-2.95 here).

And gcc-2.95 is still the "supported" compiler for arm, not gcc 3.x.

Does the section have to be called .note.arm.ident? Can it have
another name without arm in it?

        Andrew