add silvermont x86 architecture

This is used for Baytrail targets.

Change-Id: I5a2fa6dbb8217a326ee09f5ea434885718ab3f0c
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Signed-off-by: Fengwei Yin <fengwei.yin@intel.com>
2 files changed