I found "how to" for chroot of armbian-armhf image on my virtual kvm-amd64 server. There i can compile patched hostapd with forced 40Mhz and create deb file. This deb package, then I can distribute it on all my orange pi zero routers.
Linux orion2 5.15.77-sunxi #trunk SMP Tue Nov 15 07:36:22 UTC 2022 armv7l GNU/Linux
root@orion2:/var/log# iw wlan0 info
Interface wlan0
ifindex 3
wdev 0x1
addr 00:19:86:11:da:a9
ssid orion2
type AP
wiphy 0
channel 11 (2462 MHz), width: 40 MHz, center1: 2452 MHz
txpower 30.00 dBm
