Add docker-image in order to launch a base system capable of running docker daemon

buildconf/beaglebone-yocto/bblayers.conf.sample

@@ -1,6 +1,6 @@
 # POKY_BBLAYERS_CONF_VERSION is increased each time build/conf/bblayers.conf
 # changes incompatibly
-POKY_BBLAYERS_CONF_VERSION = "2"
+POKY_BBLAYERS_CONF_VERSION = "3"
 
 BBPATH = "${TOPDIR}"
 BBFILES ?= ""
@@ -9,8 +9,11 @@ BBLAYERS ?= " \
   ${TOPDIR}/../layers/poky/meta \
   ${TOPDIR}/../layers/poky/meta-poky \
   ${TOPDIR}/../layers/poky/meta-yocto-bsp \
+  ${TOPDIR}/../layers/meta-openembedded/meta-filesystems \
   ${TOPDIR}/../layers/meta-openembedded/meta-oe \
   ${TOPDIR}/../layers/meta-openembedded/meta-networking \
   ${TOPDIR}/../layers/meta-openembedded/meta-python \
+  ${TOPDIR}/../layers/meta-virtualization \
   ${TOPDIR}/../layers/meta-blackfinn \
   "
+

buildconf/beaglebone-yocto/conf-notes.txt

@@ -1,6 +1,8 @@
 Common targets are:
     console-image
     console-dev-image
+    docker-image
+    tiny-image
     core-image-minimal
     core-image-sato
     meta-toolchain

buildconf/beaglebone-yocto/local.conf.sample

@@ -4,7 +4,7 @@ MACHINE ?= "beaglebone-yocto"
 #SSTATE_DIR ?= "${TOPDIR}/../../sstate-cache"
 #TMPDIR = "${TOPDIR}/tmp"
 
-DISTRO ?= "poky"
+DISTRO ?= "roro"
 PACKAGE_CLASSES ?= "package_ipk"
 
 #SDKMACHINE ?= "i686"