inteltool/sandybridge: Kill mch_registers codepath.

It never worked.

Change-Id: Ic68614bb8ed481babf54b4f9d8db00635755f4d1
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7324
Tested-by: build bot (Jenkins)
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
i82801gx: Handle whole FADT in southbridge.

Do all the handling in SB code with few parameters from devicetree.cb
instead of having mobo callbacks.

Change-Id: I8fd02ff05553a3c51ea5f6ae66b8f5502509e2bc
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7199
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>