hci_nokia.c:undefined reference to `btbcm_set_bdaddr'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   63f700aab4c11d46626de3cd051dae56cf7e9056
commit: 7bb318680e868cd049922f6761170b42ff89687d Bluetooth: add nokia driver
date:   9 weeks ago
config: x86_64-randconfig-n0-06141352 (attached as .config)
compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4
reproduce:
        git checkout 7bb318680e868cd049922f6761170b42ff89687d
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `nokia_setup':
>> hci_nokia.c:(.text+0x32bdd4): undefined reference to `btbcm_set_bdaddr'

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.config.gz
Description: application/gzip