ath10k: enable radar detection in secondary segment

Enable radar detection in secondary segment for VHT160 and VHT80+80 mode
on DFS channels. Otherwise, when injecting radar pulse in the secondary
segment, the DUT can't detect radar pulse.

Tested: qca9984 with firmware ver 10.4-3.10-00047

Signed-off-by: Lei Wang <leiwa@codeaurora.org>
Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1585574792-719-2-git-send-email-ssreeela@codeaurora.org