[][Add tool to support embed dm-verity bootargs into fdt]

[Description]
Add tool to support embed dm-verity bootargs into fdt

[Release-log]
N/A

Change-Id: I65ef262484ecc48efc513b0ef1a0cb96e5440011
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5850557
diff --git a/tools/fdt-patch-dm-verify/Makefile b/tools/fdt-patch-dm-verify/Makefile
new file mode 100644
index 0000000..962876e
--- /dev/null
+++ b/tools/fdt-patch-dm-verify/Makefile
@@ -0,0 +1,23 @@
+#
+# Copyright (C) 2022 MediaTek Inc. All rights reserved.
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fdt-patch-dm-verify
+PKG_VERSION:=1.0
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Host/Prepare
+	mkdir -p $(HOST_BUILD_DIR)
+	$(CP) -a ./src/* $(HOST_BUILD_DIR)/
+endef
+
+define Host/Install
+	$(INSTALL_BIN) $(HOST_BUILD_DIR)/fdt-patch-dm-verify $(STAGING_DIR_HOST)/bin/
+endef
+
+$(eval $(call HostBuild))