soc/amd/stoneyridge: Add additional early LPC and SPI init

Additional LPC and SPI setup needed to move AGESA out of the bootblock.
Setup the prefetch, sio decode, and a bugfix for SPI.

TEST=Boots with AGESA moved out of bootblock.

Change-Id: I2c0d8632b25c036ff977c21477feb4778575189c
Signed-off-by: Marc Jones <>
Signed-off-by: Marc Jones <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Aaron Durbin <>
2 files changed