x86/cpu: Add Elkhart Lake to Intel family

stable inclusion
from stable-v4.19.248
commit 11f6b83dd816285005f02265e430ba85d08c8b9d
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I5D5RS
CVE: CVE-2022-21123,CVE-2022-21125,CVE-2022-21166

--------------------------------

commit 0f65605a upstream.

Add the model number/CPUID of atom based Elkhart Lake to the Intel
family.
Signed-off-by: NGayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: NTony 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: NIngo Molnar <mingo@kernel.org>
Signed-off-by: NThadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYipeng Zou <zouyipeng@huawei.com>
Reviewed-by: NZhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: NLiao Chang <liaochang1@huawei.com>
Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>

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

@@ -83,7 +83,9 @@
 #define INTEL_FAM6_ATOM_GOLDMONT	0x5C /* Apollo Lake */
 #define INTEL_FAM6_ATOM_GOLDMONT_X	0x5F /* Denverton */
 #define INTEL_FAM6_ATOM_GOLDMONT_PLUS	0x7A /* Gemini Lake */
+
 #define INTEL_FAM6_ATOM_TREMONT_X	0x86 /* Jacobsville */
+#define INTEL_FAM6_ATOM_TREMONT		0x96 /* Elkhart Lake */
 
 /* Xeon Phi */