x86/cpu: Add Elkhart Lake to Intel family

Add the model number/CPUID of atom based Elkhart Lake to the Intel
family.
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190905193020.14707-3-tony.luck@intel.comSigned-off-by: Ingo Molnar <mingo@kernel.org>

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

@@ -106,6 +106,7 @@
 #define INTEL_FAM6_ATOM_GOLDMONT_PLUS	0x7A /* Gemini Lake */
 
 #define INTEL_FAM6_ATOM_TREMONT_D	0x86 /* Jacobsville */
+#define INTEL_FAM6_ATOM_TREMONT		0x96 /* Elkhart Lake */
 
 /* Xeon Phi */