Patch merged into coreboot/master: nb/intel/x4x: Tidy up raminit and fix msbpos() function

the following patch was just integrated into master:
commit d63115daa8830ee94b188bbed76eb460aa05eb8a
Author: Damien Zammit 
Date:   Fri Jan 22 19:11:44 2016 +1100

nb/intel/x4x: Tidy up raminit and fix msbpos() function

- Fix bug with msbpos, it was not returning the correct result
      due to typo in logic, and unsigned value needed to be negative.
    - Add reclaim above 4GiB
    - Fix to ME related registers near the end of raminit

Change-Id: I04acd0593a457437ee4a42e14b287b2b17a160af
    Signed-off-by: Damien Zammit 
    Reviewed-on: https://review.coreboot.org/13127
    Tested-by: build bot (Jenkins)
    Reviewed-by: Timothy Pearson

See https://review.coreboot.org/13127 for details.

-gerrit