x86/cpu: Add model number for Intel Clearwater Forest processor

commit 090e3be upstream.

Server product based on the Atom Darkmont core.

Intel-SIG: commit 090e3be x86/cpu: Add model number for Intel Clearwater Forest processor.
ClearWater support including CPU model and new ISAs and its dependency

Signed-off-by: Tony Luck <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[ Quanxian Wang: amend commit log ]
Signed-off-by: Quanxian Wang <[email protected]>

Author: aegl

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

@@ -152,8 +152,11 @@
 #define INTEL_FAM6_ATOM_TREMONT_L	0x9C /* Jasper Lake */
 
 #define INTEL_FAM6_ATOM_GRACEMONT	0xBE /* Alderlake N */
-#define INTEL_FAM6_ATOM_CRESTMONT_X    0xAF /* Sierra Forest */
-#define INTEL_FAM6_ATOM_CRESTMONT  0xB6 /* Grand Ridge */
+#define INTEL_FAM6_ATOM_CRESTMONT_X	0xAF /* Sierra Forest */
+#define INTEL_FAM6_ATOM_CRESTMONT	0xB6 /* Grand Ridge */
+
+#define INTEL_FAM6_ATOM_DARKMONT_X	0xDD /* Clearwater Forest */
+
 /* Xeon Phi */
 
 #define INTEL_FAM6_XEON_PHI_KNL		0x57 /* Knights Landing */