powerpc/fsl_booke: Correct test for MMU_FTR_BIG_PHYS

The code was looking for this in cpu_features, not mmu_features.  Fix this.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
1 file changed