Use out of (kernel) tree device tree (Palmetto)
diff --git a/meta-palmetto/conf/layer.conf b/meta-palmetto/conf/layer.conf
index ac8a2a2..71cad6d 100644
--- a/meta-palmetto/conf/layer.conf
+++ b/meta-palmetto/conf/layer.conf
@@ -1,5 +1,9 @@
 # We have a conf and classes directory, add to BBPATH
 BBPATH .= ":${LAYERDIR}"
 
+# We have recipes-* directories, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
+
 BBFILE_COLLECTIONS += "palmetto"
 BBFILE_PATTERN_palmetto = ""
diff --git a/meta-palmetto/conf/machine/palmetto.conf b/meta-palmetto/conf/machine/palmetto.conf
index f6256a7..d57bdcb 100644
--- a/meta-palmetto/conf/machine/palmetto.conf
+++ b/meta-palmetto/conf/machine/palmetto.conf
@@ -1,5 +1,5 @@
 KMACHINE = "aspeed"
-KERNEL_DEVICETREE = "${KMACHINE}-bmc-opp-${MACHINE}.dtb"
+KERNEL_DEVICETREE = "${MACHINE}.dtb"
 
 require conf/machine/include/ast2400.inc
 require conf/machine/include/obmc-bsp-common.inc