package/polkit: install service file

The default installed service file is missing a target, which causes preset-all
to not enable the service.

Add the service file to package/polkit with the addition of:

[Install]
WantedBy=multi-user.target

Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3f885d9dfe061e0401a6c13871ae9301e68db862)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/polkit/polkit.mk

@@ -43,4 +43,10 @@ define POLKIT_PERMISSIONS
 	/usr/bin/pkexec f 4755 root root - - - - -
 endef
 
+define POLKIT_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 $(POLKIT_PKGDIR)/polkit.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/polkit.service
+
+endef
+
 $(eval $(autotools-package))

package/polkit/polkit.service

@@ -0,0 +1,12 @@
+[Unit]
+
+Description=Authorization Manager
+Documentation=man:polkit(8)
+
+[Service]
+Type=dbus
+BusName=org.freedesktop.PolicyKit1
+ExecStart=/usr/lib/polkit-1/polkitd --no-debug
+
+[Install]
+WantedBy=multi-user.target