add libseccomp and chrony for loongarch64

Author: jiangcuo

.gitmodules

@@ -209,3 +209,9 @@
 [submodule "packages/pve-firmware/pve-firmware"]
 	path = packages/pve-firmware/pve-firmware
 	url = https://git.proxmox.com/git/pve-firmware.git
+[submodule "packages/libseccomp/libseccomp"]
+	path = packages/libseccomp/libseccomp
+	url = https://salsa.debian.org/debian/libseccomp.git
+[submodule "packages/chrony/chrony"]
+	path = packages/chrony/chrony
+	url = https://salsa.debian.org/debian/chrony.git

packages/chrony/autobuild.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+SCRIPT_DIR=$(cd $(dirname ${BASH_SOURCE[0]}); pwd)
+PKGNAME=$(basename $SCRIPT_DIR)
+
+echo "This is $PKGNAME build scripts"
+
+SH_PATH=$(realpath "$0")
+SH_DIR=$(dirname $SH_PATH)
+
+. ../common.sh
+
+copy_dir
+exec_build_dpkg
+cp  /build/*.changes /build/*.buildinfo /build/*.deb /build/*.tar.* /build/*.dsc $SH_DIR/$PKGNAME ||true

packages/chrony/chrony

@@ -0,0 +1,14 @@
+#!/bin/bash
+SCRIPT_DIR=$(cd $(dirname ${BASH_SOURCE[0]}); pwd)
+PKGNAME=$(basename $SCRIPT_DIR)
+
+echo "This is $PKGNAME build scripts"
+
+SH_PATH=$(realpath "$0")
+SH_DIR=$(dirname $SH_PATH)
+
+. ../common.sh
+
+copy_dir
+exec_build_dpkg
+cp  /build/*.changes /build/*.buildinfo /build/*.deb /build/*.tar.* /build/*.dsc $SH_DIR/$PKGNAME ||true