[][mac80211][Track obss color bitmap]

[Description]
Add support for tracking OBSS BSS color bitmap.
1. Track OBSS BSS color when receive their beacon
2. Age out corlor bitmap if OBSS BSS Color not seen for 10 sec

tracepoint usage:
echo 1 > /sys/kernel/debug/tracing/events/mac80211/bss_color_bitmap/enable
echo 1 > /sys/kernel/debug/tracing/events/mac80211/bss_color_collision/enable

[Release-log]
N/A

Change-Id: Ie8dd30cadcde190bae7336d890bddc1c64f71ad5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6447102
2 files changed