arm-trusted-firmware-rockchip: add new package

This is needed to build the uboot-rockchip, needed for the rockchip target

Signed-off-by: Tobias Mädel <t.maedel@alfeld.de>
Tested-by: Tobias Schramm <t.schramm@manjaro.org>
[replaced `mkdir -p` with INSTALL_DIR variable]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

package/boot/arm-trusted-firmware-rockchip/Makefile

@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2020 Tobias Maedel <openwrt@tbspace.de>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=arm-trusted-firmware-rockchip
+PKG_VERSION:=2.3-rc0
+PKG_RELEASE:=1
+
+PKG_SOURCE:=atf-v$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://github.com/atf-builds/atf/releases/download/v$(PKG_VERSION)/atf-v$(PKG_VERSION).tar.gz?
+PKG_HASH:=8d0a2bd18adf54f9cf6fe923d10f21c1d21f42a15067757333ff8989b25f100a
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_LICENSE_FILES:=license.md
+
+PKG_MAINTAINER:=Tobias Maedel <openwrt@tbspace.de>
+
+MAKE_PATH:=$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/arm-trusted-firmware-rockchip
+    SECTION:=boot
+    CATEGORY:=Boot Loaders
+    TITLE:=ARM Trusted Firmware for Rockchip
+    DEPENDS:=@TARGET_rockchip_armv8
+endef
+
+define Build/Prepare
+	$(TAR) -C $(PKG_BUILD_DIR) -xf $(DL_DIR)/$(PKG_SOURCE)
+endef
+
+define Build/Compile
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) -p $(STAGING_DIR_IMAGE)
+	$(CP) $(PKG_BUILD_DIR)/rk3399_bl31.elf $(STAGING_DIR_IMAGE)/bl31.elf
+endef
+
+define Package/arm-trusted-firmware-rockchip/install
+endef
+
+$(eval $(call BuildPackage,arm-trusted-firmware-rockchip))