Couldn't find file 'io.api'

I don’t see problem with the R13.3 components:

https://source.sierrawireless.com/resources/airprime/software/wp76xx/wp76xx-firmware-release-13,-d-,1-components/#sthash.13BE7Elj.dpbs

1.Install the toolchain by
sh poky-swi-ext-glibc-x86_64-meta-toolchain-swi-armv7a-neon-toolchain-swi-SWI9X07Y_02.28.03.05.sh

  1. Build the legato framework
    cd /home/owner/legato/packages/legato.framework.19.2.0.wp76xx-201906171244/resources/legato
    make clean
    . bin/configlegatoenv
    make wp76xx
    source ./build/wp76xx/config.sh

  2. download the mangOH source:
    cd /home/owner/Downloads/mangOH-master/
    git clone --recursive git://github.com/mangOH/mangOH
    cd mangOH

  3. open the shared.sdef, and comment out this line:
    //#include “${LEGATO_ROOT}/modules/WiFi/wifi.sinc”

  4. build the source by
    make red_wp76xx