https://www.mediawiki.compulab.com/w/index.php?title=CM-FX6:_Linux:_Kernel

fakeroot make-kpkg --revision=$(date +%Y%m%d00) --initrd --jobs 4 binary-arch
make imx6q-utilite-pro.dtb

to enable WiFi:
arch/arm/boot/dts/imx6q-cm-fx6.dts
"disabled" -> "okay"
>>>
&usdhc1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_usdhc1>;
        mmc-pwrseq = <&awnh387_pwrseq>;
        non-removable;
        /*
         * If the OS probes the Bluetooth AMP function advertised on this bus
         * but the firmware in place does not support it, the WiFi/BT module
         * gets unresponsive.
         * Users who configured their OS properly can enable this node to gain
         * WiFi and/or plain Bluetooth support.
         */
        status = "okay";
};
<<<

u-boot:
setenv zimage l5
setenv dtb d5
boot

1. eth1 does not always come up, need to power off/on
2. rngd.service fails first time, need to restart
3. bluetooth confilcts with wifi, btrmvl and btrmvl_sdio are blacklisted