cpu/intel/model_206ax/model_206ax_init: use CPUID_ALL_STEPPINGS_MASK

Use CPUID_ALL_STEPPINGS_MASK to only need one CPU device ID table entry
per family & model combination and not one per stepping.

TEST=Thinkpad x230 with Ivy Bridge stepping 9 CPU still boots with this
patch applied.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I46020d5b1b1fba8449c3823fac1369e5670d91c0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72854
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c
index aecd61c..04a9d2d 100644
--- a/src/cpu/intel/model_206ax/model_206ax_init.c
+++ b/src/cpu/intel/model_206ax/model_206ax_init.c
@@ -427,16 +427,8 @@
 };
 
 static const struct cpu_device_id cpu_table[] = {
-	{ X86_VENDOR_INTEL, 0x206a0, CPUID_EXACT_MATCH_MASK }, /* Intel Sandybridge */
-	{ X86_VENDOR_INTEL, 0x206a6, CPUID_EXACT_MATCH_MASK }, /* Intel Sandybridge D1 */
-	{ X86_VENDOR_INTEL, 0x206a7, CPUID_EXACT_MATCH_MASK }, /* Intel Sandybridge D2/J1 */
-	{ X86_VENDOR_INTEL, 0x306a0, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a2, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a4, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a5, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a6, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a8, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
-	{ X86_VENDOR_INTEL, 0x306a9, CPUID_EXACT_MATCH_MASK }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x206a0, CPUID_ALL_STEPPINGS_MASK }, /* Intel Sandybridge */
+	{ X86_VENDOR_INTEL, 0x306a0, CPUID_ALL_STEPPINGS_MASK }, /* Intel IvyBridge */
 	{ 0, 0, 0 },
 };