meta-yocto: Split into distro and bsp components

Now we have settled on best practises and compliance criteria, bring meta-yocto
into compliance by separating out the hardware support components into
meta-yocto-bsp leaving policy configuration in meta-yocto.

Also rename the meta-yocto scripts directory to OE-Core can be a clearly
isolated component in poky.

(From meta-yocto rev: eac90e27a032ea23d9a4f35c7eef8b1940c80e22)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-yocto-bsp/conf/layer.conf

@@ -0,0 +1,11 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH := "${BBPATH}:${LAYERDIR}"
+
+# We have a packages directory, add to BBFILES
+BBFILES := "${BBFILES} ${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "yoctobsp"
+BBFILE_PATTERN_yoctobsp := "^${LAYERDIR}/"
+BBFILE_PRIORITY_yoctobsp = "5"
+

meta-yocto/conf/bblayers.conf.sample

@@ -1,6 +1,6 @@
 # LAYER_CONF_VERSION is increased each time build/conf/bblayers.conf
 # changes incompatibly
-LCONF_VERSION = "5"
+LCONF_VERSION = "6"
 
 BBPATH = "${TOPDIR}"
 BBFILES ?= ""
@@ -8,4 +8,5 @@ BBFILES ?= ""
 BBLAYERS ?= " \
   ##COREBASE##/meta \
   ##COREBASE##/meta-yocto \
+  ##COREBASE##/meta-yocto-bsp \
   "

meta-yocto/conf/distro/poky.conf

@@ -9,6 +9,7 @@ MAINTAINER = "Poky <poky@yoctoproject.org>"
 TARGET_VENDOR = "-poky"
 
 LOCALCONF_VERSION = "1"
+LAYER_CONF_VERSION ?= "6"
 
 DISTRO_FEATURES_append = " largefile opengl"