[PATCH] Set cpu explicitly in kernel compiles

[Chris Friesen]

Tom Rini wrote:

> Since there are folks working on optimizing toolchains on at least some
> of the newer CPUs, I'd be inclined to say we should do something like
> cpu-opt-y := ... gcc-3.3.x defaults ...
> cpu-opt-$(CONFIG_6xx) := -mcpu=750 -mtune=7450
> cpu-opt-$(CONFIG_8xx) := -mcpu=800 -mtune=800 # Or whatever it is..

While you're at it, how about breaking out the 970 as separate from the 
POWER4?

Chris