[coreboot] [PATCH] v3: remove stage1_mtrr.c, add mtrr.c for stage2

[Peter Stuge]

Corey Osgood wrote:
> Kill off stage1_mtrr.c completely, and bring in mtrr.c for stage2 from v2.
> 
> Signed-off-by: Corey Osgood <corey.osgood at gmail.com>

It could use some cleanup, but looks good.

Acked-by: Peter Stuge <peter at stuge.se>