Index: sys/modules/dtb/rockchip/Makefile
===================================================================
--- sys/modules/dtb/rockchip/Makefile
+++ sys/modules/dtb/rockchip/Makefile
@@ -11,6 +11,7 @@
 	rockchip/rk3399-khadas-edge.dts \
 	rockchip/rk3399-khadas-edge-v.dts \
 	rockchip/rk3399-nanopc-t4.dts \
+	rockchip/rk3399-nanopi-m4.dts \
 	rockchip/rk3328-nanopi-r2s.dts \
 	rockchip/rk3399-nanopi-r4s.dts \
 	rockchip/rk3399-rock-pi-4.dts \