UPSTREAM: wifi: mt76: mt7925: update mt7925_mac_link_bss_add for MLO

Update band_idx in per-link BSS to be auto for the MLO-enabled firmware
and the MLO-enabled firmware only supports omac index in 0.

The change remains compatible with the non-MLO mode and the older firmware.

Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Co-developed-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/37fcf3ea7b4883840d61f97231277b297e1b15a3.1720248331.git.sean.wang@kernel.org


Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 0cb349d7
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

 master)

BUG=b:366169724
TEST=Verify on nissa by AVL test wifi_matfunc

Change-Id: I5e96aaab53911f0d848e055270622239405cc78f
Signed-off-by: Sean Wang <objelf@gmail.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5737209


Commit-Queue: Jintao Lin <jintaolin@chromium.org>
Reviewed-by: Jintao Lin <jintaolin@chromium.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Tested-by: Jintao Lin <jintaolin@chromium.org>
Signed-off-by: Mateusz Urbańczyk <urbanczyk@google.com>