Compile failure in last night's automated test

[Paul Larson]

Last night's automated bk pull/ltp run got a compile failure:

        ld -m elf_i386 -e stext -T arch/i386/vmlinux.lds.s
arch/i386/kernel/head.o arch/i386/kernel/init_task.o   init/built-in.o
--start-group  usr/built-in.o  arch/i386/kernel/built-in.o 
arch/i386/mm/built-in.o  arch/i386/mach-default/built-in.o 
kernel/built-in.o  mm/built-in.o  fs/built-in.o  ipc/built-in.o 
security/built-in.o  crypto/built-in.o  lib/lib.a  arch/i386/lib/lib.a 
drivers/built-in.o  sound/built-in.o  arch/i386/pci/built-in.o 
net/built-in.o --end-group  -o .tmp_vmlinux1
drivers/built-in.o: In function `acpi_processor_apply_limit':
drivers/built-in.o(.text+0x34df2): undefined reference to
`cpufreq_get_policy'
drivers/built-in.o(.text+0x34e32): undefined reference to
`cpufreq_set_policy'
make: *** [.tmp_vmlinux1] Error 1