soc/intel/alderlake: Add new CPU ID

Add new CPU ID 0x906A3 (L0 stepping).

Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I280da46e5fdd3792df50556e2804b3bcb346eee3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63302
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/cpu/intel/cpu_ids.h

@@ -54,6 +54,7 @@
 #define CPUID_ALDERLAKE_J0		0x906a0
 #define CPUID_ALDERLAKE_Q0		0x906a1
 #define CPUID_ALDERLAKE_K0		0x906a2
+#define CPUID_ALDERLAKE_L0		0x906a3
 #define CPUID_ALDERLAKE_R0		0x906a4
 #define CPUID_ALDERLAKE_N_A0		0xb06e0
 #define CPUID_METEORLAKE_A0_1		0xa06a0

src/soc/intel/alderlake/bootblock/report_platform.c

@@ -25,6 +25,7 @@ static struct {
 } cpu_table[] = {
 	{ CPUID_ALDERLAKE_J0, "Alderlake J0 Platform" },
 	{ CPUID_ALDERLAKE_K0, "Alderlake K0 Platform" },
+	{ CPUID_ALDERLAKE_L0, "Alderlake L0 Platform" },
 	{ CPUID_ALDERLAKE_Q0, "Alderlake Q0 Platform" },
 	{ CPUID_ALDERLAKE_R0, "Alderlake R0 Platform" },
 	{ CPUID_ALDERLAKE_N_A0, "Alderlake-N Platform" },

src/soc/intel/common/block/cpu/mp_init.c

@@ -72,6 +72,7 @@ static const struct cpu_device_id cpu_table[] = {
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_S_A0 },
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_J0 },
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_K0 },
+	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_L0 },
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_Q0 },
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_R0 },
 	{ X86_VENDOR_INTEL, CPUID_ALDERLAKE_N_A0 },