I can't find any way to enable or include the wireless-regdb package, any ideas on what I'm missing here?

Collected errors:
* satisfy_dependencies_for: Cannot satisfy the following dependencies for kmod-ath:
*      wireless-regdb *
* opkg_install_cmd: Cannot install package kmod-ath.
package/Makefile:64: recipe for target 'package/install' failed
make[2]: *** [package/install] Error 255
make[2]: Leaving directory '/home/henning/openwrt/openwrt'
package/Makefile:103: recipe for target '/home/henning/openwrt/openwrt/staging_dir/target-mips_24kc_musl/stamp/.package_install' failed
make[1]: *** [/home/henning/openwrt/openwrt/staging_dir/target-mips_24kc_musl/stamp/.package_install] Error 2
make[1]: Leaving directory '/home/henning/openwrt/openwrt'
/home/henning/openwrt/openwrt/include/toplevel.mk:216: recipe for target 'world' failed
make: *** [world] Error 2