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H A Dsdram.caaafcd6c3f472f81d2c87b96571fba2e0f55b368 Thu Jan 01 23:18:10 UTC 2015 Simon Glass <sjg@chromium.org> x86: ivybridge: Request MTRRs for DRAM regions

We should use MTRRs to speed up execution. Add a list of MTRR requests which
will dealt with when we relocate and run from RAM.

We set RAM as cacheable (with write-back) and registers as non-cacheable.

Signed-off-by: Simon Glass <sjg@chromium.org>