intel/model_2065x: Fix APICID generation.

APIC IDs always step by 4 on 2065x independently of number of threads.

Change-Id: I5abd4005c8ce1740bb0862d952af66236b609aa8
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5262
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/cpu/intel/model_2065x/model_2065x_init.c b/src/cpu/intel/model_2065x/model_2065x_init.c
index 2cbe906..e73e237 100644
--- a/src/cpu/intel/model_2065x/model_2065x_init.c
+++ b/src/cpu/intel/model_2065x/model_2065x_init.c
@@ -371,11 +371,8 @@
 		/* Build the cpu device path */
 		cpu_path.type = DEVICE_PATH_APIC;
 		cpu_path.apic.apic_id =
-		  cpu->path.apic.apic_id + (i & 1) + ((i & 2) << 1);
-
-		/* Update APIC ID if no hyperthreading */
-		if (threads_per_core == 1)
-			cpu_path.apic.apic_id <<= 1;
+		  cpu->path.apic.apic_id + (i % threads_per_core)
+			+ ((i / threads_per_core) << 2);
 
 		/* Allocate the new cpu device structure */
 		new = alloc_dev(cpu->bus, &cpu_path);