lenovo/x201: Fix wrong declaration in devicetree.cb

Change-Id: I90c6ff14ab819368ccc874008a7fb1410a543984
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5255
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/mainboard/lenovo/x201/devicetree.cb

@@ -76,7 +76,7 @@ chip northbridge/intel/nehalem
 	end
 
 	device cpu_cluster 0 on
-		chip cpu/intel/model_206ax
+		chip cpu/intel/model_2065x
 			device lapic 0 on end
 		end
 	end