fixed linux bbappend

layers/meta-devdistro/recipes-kernel/linux/linux-bb.org_%.bbappend

@@ -2,10 +2,9 @@ FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
 
 SRC_URI += "file://am62x_enable_m4f.dts"
 
-do_compile:append() {
+do_compile:prepend() {
     mkdir -p ${B}/arch/${ARCH}/boot/dts/overlays
 
-    oe_runmake dtbs_prepare
     ${STAGING_BINDIR_NATIVE}/dtc -@ -I dts -O dtb -o ${B}/arch/${ARCH}/boot/dts/overlays/am62x_enable_m4f.dtbo ${WORKDIR}/am62x_enable_m4f.dts
 }