My modeles.dep file looks like this on target:

kernel/fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko:
kernel/crypto/echainiv.ko:
kernel/crypto/gcm.ko:
kernel/crypto/ccm.ko:
kernel/crypto/ghash-generic.ko:
kernel/drivers/char/hw_random/rng-core.ko:
kernel/net/ipv4/tcp_bic.ko:
kernel/net/ipv4/tcp_westwood.ko:
kernel/net/ipv4/tcp_htcp.ko:
kernel/net/bridge/br_netfilter.ko:
kernel/net/wireless/cfg80211.ko: kernel/net/rfkill/rfkill.ko
kernel/net/mac80211/mac80211.ko: kernel/net/wireless/cfg80211.ko kernel/net/rfkill/rfkill.ko
kernel/net/rfkill/rfkill.ko:
kernel/net/rfkill/rfkill-regulator.ko: kernel/net/rfkill/rfkill.ko
kernel/net/rfkill/rfkill-gpio.ko: kernel/net/rfkill/rfkill.ko
extra/cdc-ncm.ko: extra/cdc-wdm.ko
extra/hello.ko:
extra/cdc-wdm.ko:
extra/huawei_cdc_ncm.ko: extra/cdc-wdm.ko

--
Zolee