Intel Wi-Fi: scope of iwx(4) on FreeBSD

Yesterday's 
<https://github.com/freebsd/freebsd-src/commit/2ad0f7e91582dde5475ceb1a1942930549e5c628> 
mentions support for many recent cards.

Should we assume that all less recent hardware is out of scope?

Alternatively, is my rc.conf file mis-configured? The wlan4 lines below.

Thanks


root@mowa219-gjp4-zbook-freebsd:~ # sysrc devmatch_blocklist
devmatch_blocklist: i915kms if_iwlwifi iwm
root@mowa219-gjp4-zbook-freebsd:~ # kldload iwx
kldload: can't load iwx: No such file or directory
root@mowa219-gjp4-zbook-freebsd:~ # ls -hln /boot/kernel/*iwx*
-r--r--r--  1 0 0  227K Mar 31 22:01 /boot/kernel/if_iwx.ko
root@mowa219-gjp4-zbook-freebsd:~ # kldload if_iwx
kldload: can't load if_iwx: module already loaded or in kernel
root@mowa219-gjp4-zbook-freebsd:~ # ifconfig iwx0
ifconfig: interface iwx0 does not exist
root@mowa219-gjp4-zbook-freebsd:~ # grep wlan4 /etc/rc.conf
wlans_iwx0="wlan4"
create_args_wlan4="wlanmode sta country GB regdomain etsi"
create_args_wlan4="country GB regdomain etsi"
ifconfig_wlan4="WPA DHCP"
root@mowa219-gjp4-zbook-freebsd:~ # uname -mvKU
FreeBSD 15.0-CURRENT main-n276197-680d34896c36 GENERIC-NODEBUG amd64 
1500035 1500035
root@mowa219-gjp4-zbook-freebsd:~ # grep SIOCIFCREATE /var/log/console.log
Apr  1 05:41:20 mowa219-gjp4-zbook-freebsd kernel: ifconfig: 
SIOCIFCREATE2 (wlan4): Device not configured
root@mowa219-gjp4-zbook-freebsd:~ # apropos iwx
apropos: nothing appropriate
root@mowa219-gjp4-zbook-freebsd:~ #


iwx.4 in OpenBSD-current: <https://man.openbsd.org/iwx.4>