soc/amd/stoneyridge: Add CPU files

Copy cpu/amd/pi/00670F00 to soc/amd/stoneyridge and
soc/amd/common.  This is the second patch in the process of
converting Stoney Ridge to soc/.

- update Kconfig and Makefiles
- update vendorcode/amd for new soc/ path

Change-Id: I8b6b1991372c2c6a02709777a73615a86e78ac26
Signed-off-by: Marc Jones <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Martin Roth <>
16 files changed