southbridge/intel: Create common IFD Kconfig and Makefile

We've got a lot of duplicated code to set up the IFD/ME/TXE/GBE/ETC.
This is the start of creating a common interface for all of them.

This also allows us to reduce the chipset dependencies for CBFS_SIZE.

Change-Id: Iff08f74305d5ce545b5863915359eeb91eab0208
Signed-off-by: Martin Roth <>
Tested-by: build bot (Jenkins)
Reviewed-by: Matt DeVillier <>
Reviewed-by: Patrick Georgi <>
10 files changed