Follow the rules defined in:
http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/recipes.txt
recipes-bsp - Anything with links to specific hardware or
hardware configuration information
recipes-connectivity - Libraries and applications related to
communication with other devices
recipes-core - What's needed to build a basic working Linux
image including commonly used dependencies
recipes-devtools - Tools primarily used by the build system (but can
also be used on targets)
recipes-extended - Applications which whilst not essential add
features compared to the alternatives in
core. May be needed for full tool functionality
or LSB compliance.
recipes-gnome - All things related to the GTK+ application
framework
recipes-graphics - X and other graphically related system libraries
recipes-kernel - The kernel and generic applications/libraries
with strong kernel dependencies
recipes-lsb4 - Recipes added for the sole purpose of supporting
the Linux Standard Base (LSB) 4.x
recipes-multimedia - Codecs and support utilties for audio, images and
video
recipes-rt - Provides package and image recipes for using and
testing the PREEMPT_RT kernel
recipes-qt - All things related to the Qt application
framework
recipes-sato - The Sato demo/reference UI/UX, its associated
apps and configuration
recipes-support - Recipes used by other recipes but that are not
directly included in images
recipes-dpaa - recipes related to fsl dpaa feature
recipes-virtualization - recipes related to fsl virtualization feature
