Change in coreboot[master]: nb/intel/gm45/raminit: Use CxDRT*_MCHBAR instead of magic numbers

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/23709 )

Change subject: nb/intel/gm45/raminit: Use CxDRT*_MCHBAR instead of magic numbers
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Patch Set 3:

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/69440/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/23760/ : SUCCESS