soc/amd/phoenix/cpu: use CPUID_ALL_STEPPINGS_MASK

Use CPUID_ALL_STEPPINGS_MASK as CPUID match mask to support all
Phoenix 2 steppings that might be available in the future. Right now it
shouldn't change any behavior.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If9878b4687360250cac4cfe1409d5dbad7147cf3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72851
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>
diff --git a/src/soc/amd/phoenix/cpu.c b/src/soc/amd/phoenix/cpu.c
index cba22e9..9c51a57 100644
--- a/src/soc/amd/phoenix/cpu.c
+++ b/src/soc/amd/phoenix/cpu.c
@@ -51,7 +51,7 @@
 
 static struct cpu_device_id cpu_table[] = {
 	/* TODO: Add Phoenix CPUID */
-	{ X86_VENDOR_AMD, PHOENIX2_A0_CPUID, CPUID_EXACT_MATCH_MASK },
+	{ X86_VENDOR_AMD, PHOENIX2_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
 	{ 0, 0, 0 },
 };