configs/friendlyarm_nanopi_neo_plus2: use an extlinux instead of boot.cmd

This remove the file boot.cmd to use an extlinux.conf instead.

Signed-off-by: Louis Aussedat <aussedat.louis@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

board/friendlyarm/nanopi-neo-plus2/boot.cmd

@@ -1,6 +0,0 @@
-setenv bootargs console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait
-
-fatload mmc 0 $kernel_addr_r Image
-fatload mmc 0 $fdt_addr_r sun50i-h5-nanopi-neo-plus2.dtb
-
-booti $kernel_addr_r - $fdt_addr_r

board/friendlyarm/nanopi-neo-plus2/extlinux.conf

@@ -0,0 +1,4 @@
+label linux
+  kernel /Image
+  devicetree /sun50i-h5-nanopi-neo-plus2.dtb
+  append console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait

board/friendlyarm/nanopi-neo-plus2/genimage.cfg

@@ -3,7 +3,7 @@ image boot.vfat {
 		files = {
 			"Image",
 			"sun50i-h5-nanopi-neo-plus2.dtb",
-			"boot.scr"
+			"extlinux"
 		}
 	}
 	size = 64M

board/friendlyarm/nanopi-neo-plus2/post-build.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+BOARD_DIR="$(dirname $0)"
+
+install -m 0644 -D $BOARD_DIR/extlinux.conf $BINARIES_DIR/extlinux/extlinux.conf