PSP2 is for Combo BIOS, which is the idea that one image supports 2
kinds of APU.
The PSP2 feature is for the future, not for current products.
The newest document about PSP2 is not available. I made it from the
draft code I made when I was in AMD.
Change-Id: I65328db197c02ee67f3e99faf4ab8acabd339657
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/12474
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
4fcc9f2e54