ppc4xx: Enable CPU POST test for 4xx with dcache enabled

Now with caches enabled (i- and d-cache) on 44x, we need a chance to
disable the cache for the CPU POST tests, since these tests consist
of self modifying code. This is done via the new change_tlb() function.

Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed