northbridge/amd/amdfam10: Remove Kconfig memory controller options

All settable memory controller options are now controlled by NVRAM,
making the Kconfig options irrelevant.

Change-Id: I9b2c8798d830e5c41bb9a108514e60d784d2ebc5
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/8452
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2 files changed