Kenyang is a Niger-Congo language of Cameroon. Do the phones [q] and [k] belong

Kenyang is a Niger-Congo language of Cameroon. Do the phones [q] and [k] belong to separate phonemes, or are they allophones of the same phoneme? Explain.
[q] represents a voiceless uvular stop.
enɔq ‘tree’ ŋka ‘to mark’
nʧiku ‘I am buying’ enoq ‘drum’
ko ‘to climb’ eket ‘house’
ekoq ‘leg’ ɑjuq (person’s name)