add missing config symbol

SVN-Revision: 27908

target/linux/generic/config-3.0

@@ -504,7 +504,8 @@ CONFIG_DEBUG_INFO_REDUCED=y
 # CONFIG_DEBUG_NX_TEST is not set
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_PAGEALLOC is not set
-# CONFIG_DEBUG_PERF_USE_VMALLOC is not set 
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_DEBUG_RODATA is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set