This adds the following model numbers to intel-family.h:
 - INTEL_FAM6_ATOM_GEMINI_LAKE (commit 311f7770)
 - INTEL_FAM6_XEON_PHI_KNM     (commit 0047f598)

CVE-2018-3620
CVE-2018-3646
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>