meta-layer help

# I'm trying to add a top level meta layer to this project
# can't seem to find where these other top level layers are added

/genivi-dev-platform$ ls
gdp-src-build  meta-browser     meta-intel    meta-oic           meta-qt5          meta-rust  README.md
init.sh        meta-erlang      meta-ivi      meta-openembedded  meta-raspberrypi  meta-rvi
LICENSE        meta-genivi-dev  meta-mycroft  meta-qcom          meta-renesas      poky

# It's called meta-mycroft
# mycroft has another dependency called meta-mimic inside of it

tree meta-mycroft/
meta-mycroft/
├── conf
│   ├── bblayers.conf
│   └── layer.conf
├── COPYING.MIT
├── meta-mimic
│   ├── conf
│   │   └── layer.conf
│   ├── COPYING.MIT
│   ├── README
│   └── recipes-mimic
│       └── mimic
│           └── mimic_0.1.bb
├── README
├── recipes-example
│   └── example
│       ├── mycroft-0.1
│       │   ├── example.patch
│       │   └── helloworld.c
│       └── mycroft_0.1.bb
└── recipes-example-bbappend
    └── example-bbappend
        ├── mycroft-0.1
        │   └── example.patch
        └── mycroft_0.1.bbappend