Intel i3100 boards & chips: Remove - using LATE_CBMEM_INIT

All boards and chips that are still using LATE_CBMEM_INIT are being
removed as previously discussed.

If these boards and chips are updated to not use LATE_CBMEM_INIT, they
can be restored to the active codebase from the 4.7 branch.

chips:
northbridge/intel/i3100
southbridge/intel/i3100
superio/intel/i3100
cpu/intel/socket_mPGA479M

Mainboards:
mainboard/intel/truxton
mainboard/intel/mtarvon
mainboard/intel/truxton

Change-Id: Ic2bbdc8ceb3ba0359c120cf4286b0c5b7dc653bb
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/22031
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
72 files changed