[PATCH] PowerPC: add setup_cpu for 44x for processor-specific init

[Paul Mackerras]

Valentine Barshak writes:

> +_GLOBAL(__setup_cpu_440epx)
> +	mflr	r4
> +	bl	__init_fpu_44x
> +_GLOBAL(__setup_cpu_440grx)
> +	bl	__plb_disable_wrp
> +	mtlr	r4
> +	blr

If we enter at __setup_cpu_440grx we'll return to some bogus
address...

Paul.