u-boot-tools: new package

Provides mkimage for host.

packages/tools/u-boot-tools/package.mk

@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+PKG_NAME="u-boot-tools"
+PKG_LICENSE="GPL"
+PKG_SITE="https://www.denx.de/wiki/U-Boot"
+PKG_DEPENDS_TARGET="toolchain swig:host"
+PKG_LONGDESC="Das U-Boot is a cross-platform bootloader for embedded systems."
+PKG_VERSION="2019.01"
+PKG_SHA256="50bd7e5a466ab828914d080d5f6a432345b500e8fba1ad3b7b61e95e60d51c22"
+PKG_URL="http://ftp.denx.de/pub/u-boot/u-boot-$PKG_VERSION.tar.bz2"
+
+make_host() {
+  make qemu-x86_64_defconfig
+  make tools-only
+}
+
+make_target() {
+  : # host-only package
+}
+
+makeinstall_host() {
+  mkdir -p $TOOLCHAIN/bin
+    cp tools/mkimage $TOOLCHAIN/bin
+}