Add EHT* check so that the hwmode will display 802.11be capability correctly.
Signed-off-by: Elwin Huang <s09289728096@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21267
Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit 95112a4939)