meta-rt: canonicalize directory structure

Use the more standard recipes-*/*/*.bb layout.

(From OE-Core rev: 3b2fb9c103c126aff1370f4b98a91649aa70e36b)

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-rt/conf/layer.conf

@@ -5,8 +5,9 @@ RSP_ROOT ?= "sda1"
 BBPATH := "${BBPATH}:${LAYERDIR}"
 
 # We have an images and various recipe-* directories, add to BBFILES
-BBFILES := "${BBFILES} ${LAYERDIR}/images/*.bb ${LAYERDIR}/images/*.bbappend ${LAYERDIR}/recipes-*/*.bb ${LAYERDIR}/recipes-*/*.bbappend"
-	
+BBFILES := "${BBFILES} ${LAYERDIR}/images/*.bb ${LAYERDIR}/images/*.bbappend \
+            ${LAYERDIR}/recipes-*/*/*.bb ${LAYERDIR}/recipes-*/*/*.bbappend"
+
 BBFILE_COLLECTIONS += "rt"
 BBFILE_PATTERN_rt := "^${LAYERDIR}/"
 BBFILE_PRIORITY_rt = "8"