[PATCH] powerpc: Don't use generic machine check parsing everywhere

[Paul Mackerras]

Olof Johansson writes:

> If a platform provide it's own machine check handler, assume that code
> will handle the reason parsing and reporting the error. The current
> default fall-though only makes sense on a few 32-bit platforms that
> lack individual handlers.

Might be nice to put that code into a function of its own, called
print_6xx_machine_check or something similar.

Paul.