Revert "hostapd: donot process 2.4ghz probe requests"

This reverts commit 5c61cc49e9cfc2498784edf78c7577695e468628.

Reason for revert: b:139151531 Remove the WAR since the issue of populating
2.4GHz probe request has been fixed. Verify hostapd receive 2.4GHz probe
reqeust and dual_band_capable field is marked correctly.

Original change's description:
> hostapd: donot process 2.4ghz probe requests
>
> some of Google WiFi products firmware doesn't populate 2.4ghz probe
> request info to user space which is required to decide station band
> capability. As a work around, mark station as the dual band capable
> if 5ghz probe request info of station are available.
>
> BUG=b:139151531
> TEST=1) Build for Google WiFi products
>      2) Connect a station to Google WiFi and confirm from logs
>
> Change-Id: Ib5e2b35992734b1037929564426ce778430e4cf1
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hostap/+/1749556
> Reviewed-by: Julan Hsu <julanhsu@google.com>
> Reviewed-by: Ramya Bhagavatula <rbhagavatula@chromium.org>
> Reviewed-by: Brian Norris <briannorris@chromium.org>
> Tested-by: NARAYANRADDI MASTI <nmasti@google.com>
> Commit-Queue: NARAYANRADDI MASTI <nmasti@google.com>

Bug: b:139151531
Change-Id: I1fae46541da0b4e5ae1474866f15aa3e518791b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hostap/+/1806059
Tested-by: Roy Luo <royluo@google.com>
Reviewed-by: Julan Hsu <julanhsu@google.com>
Reviewed-by: Julan Hsu <julanhsu@chromium.org>
Commit-Queue: Roy Luo <royluo@google.com>
1 file changed