openharmony-standard-3.0: Add param systemd service

This service starts the param_service server, used to access the
OpenHarmony param, a kind of registry accessible through the network.

The service requires and starts after the openharmony-preinit systemd
service.

Signed-off-by: Thierry Escande <thierry.escande@huawei.com>

recipes-openharmony/openharmony/files/param.service

+[Unit]
+Description=OpenHarmony Param Service
+Requires=openharmony-preinit.service
+After=openharmony-preinit.service
+
+[Service]
+Type=exec
+ExecStartPre=install -m 755 -d /dev/unix/socket
+ExecStart=/usr/bin/param_service /system/etc/ohos.para
+
+[Install]
+WantedBy=multi-user.target

recipes-openharmony/openharmony/files/param.service.license

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0

recipes-openharmony/openharmony/openharmony-standard_3.0.bb

@@ -1496,6 +1496,13 @@ RDEPENDS:${PN}-hdc += "${PN}-libutils ${PN}-syspara libcrypto"
 RDEPENDS:${PN} += "${PN}-hdc"
 
 PACKAGES =+ "${PN}-param-service"
+SYSTEMD_PACKAGES += "${PN}-param-service"
+SYSTEMD_SERVICE:${PN}-param-service = "param.service"
+SRC_URI += "file://param.service"
+do_install:append() {
+    install -d ${D}/${systemd_unitdir}/system
+    install -m 644 ${WORKDIR}/param.service ${D}${systemd_unitdir}/system/
+}
 FILES:${PN}-param-service = " \
     ${bindir}/getparam \
     ${bindir}/setparam \