x86/cpu: Add Sapphire Rapids CPU model number

Latest edition (039) of "Intel Architecture Instruction Set Extensions
and Future Features Programming Reference" includes three new CPU model
numbers. Linux already has the two Ice Lake server ones. Add the new
model number for Sapphire Rapids.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200603173352.15506-1-tony.luck@intel.com

arch/x86/include/asm/intel-family.h

@@ -89,6 +89,8 @@
 #define INTEL_FAM6_COMETLAKE		0xA5
 #define INTEL_FAM6_COMETLAKE_L		0xA6
 
+#define INTEL_FAM6_SAPPHIRERAPIDS_X	0x8F
+
 /* "Small Core" Processors (Atom) */
 
 #define INTEL_FAM6_ATOM_BONNELL		0x1C /* Diamondville, Pineview */