xback:

Tested on todays trunk
after saving "make menuconfig" (default config)

koen@bob:~/firmware/builds/generic_cns3xxx$ make menuconfig
tmp/.config-package.in:15028:error: recursive dependency detected!
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
tmp/.config-package.in:15028: symbol PACKAGE_kmod-brcmfmac depends on BRCMFMAC_SDIO
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
tmp/.config-package.in:15050: symbol BRCMFMAC_SDIO depends on PACKAGE_kmod-brcmfmac

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.

koen@bob:~/firmware/builds/generic_cns3xxx$