[coreboot] [patch] number of core of AMD fam10

[Bao, Zheng]

The "temp" will be used later. So it has to be calculated correctly.
 
Signed-off-by: Zheng Bao

Index: src/northbridge/amd/amdht/h3ncmn.c
===================================================================
--- src/northbridge/amd/amdht/h3ncmn.c (revision 6512)
+++ src/northbridge/amd/amdht/h3ncmn.c (working copy)
@@ -565,7 +565,8 @@
 
  /* bits[15,13,12] specify the cores */
  /* Support Downcoring */
- cores = ((temp & 8) >> 1) + (temp & 3) + 1;
+ temp = ((temp & 8) >> 1) + (temp & 3);
+ cores = temp + 1;
  AmdPCIReadBits (MAKE_SBDFO(makePCISegmentFromNode(node),
      makePCIBusFromNode(node),
      makePCIDeviceFromNode(node),