gpsdate: Install the service and provide an empty default config

recipes-extra/gpsdate/gpsdate_git.bb

@@ -6,12 +6,13 @@ DEPENDS = "gpsd"
 RDEPENDS_${PN} = "libgps"
 
 PE = "1"
-PR = "r9"
+PR = "r10"
 PV = "0.1+git${SRCPV}"
 
 SRC_URI = "git://git.sysmocom.de/gpsdate.git;branch=master \
+	file://gpsdate.default \
 "
-SRCREV = "019d2535b60d574c22513726024e1742e6dc4909"
+SRCREV = "2326eee7898f9a8484d92d31cb16fca14db4a874"
 S = "${WORKDIR}/git"
 
 INITSCRIPT_NAME = "gpsdate"
@@ -24,4 +25,15 @@ do_install() {
     install -m 0755 ${S}/gpsdate ${D}/${sbindir}/gpsdate
     install -d ${D}/${sysconfdir}/init.d
     install -m 0755 ${S}/gpsdate.init ${D}/${sysconfdir}/init.d/gpsdate
+
+    install -d ${D}${systemd_unitdir}/system
+    install -d ${D}${systemd_unitdir}/system/multi-user.target.wants/
+
+    install -m 0644 ${S}/gpsdate.service ${D}${systemd_unitdir}/system
+    ln -sf ../gpsdate.service ${D}${systemd_unitdir}/system/multi-user.target.wants/
+
+    install -d ${D}/${sysconfdir}/default
+    install -m 0644 ${WORKDIR}/gpsdate.default ${D}/${sysconfdir}/default/gpsdate
 }
+
+FILES_${PN} += "${systemd_unitdir}"