fix build
error:
arch/arm/hotplug/built-in.o: In function `intelli_plug_work_fn':
:(.cpuinit.text+0x184): undefined reference to `avg_nr_running'
:(.cpuinit.text+0x260): undefined reference to `avg_cpu_nr_running'
make[2]: *** [.tmp_vmlinux1] Error 1
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/kostoulhs/cm11/kernel/samsung/msm8930-common'
make: *** [TARGET_KERNEL_BINARIES] Error 2
make: *** Waiting for unfinished jobs....