optee-patch/build/meta-optee-patch/conf/layer.conf

# We have a conf and classes directory, add to BBPATH
BBPATH .= ":${LAYERDIR}"

# We have recipes-* directories, add to BBFILES
BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
            ${LAYERDIR}/recipes-*/*/*.bbappend"

BBFILE_COLLECTIONS += "optee-patch"
BBFILE_PATTERN_optee-patch = "^${LAYERDIR}/"
BBFILE_PRIORITY_optee-patch = "5"
LAYERVERSION_optee-patch = "4"
LAYERSERIES_COMPAT_optee-patch = "mickledore"