main/postmarketos-ui-mate: add elogind (MR 3502)

That way rfkill plugin allows to use media keys for WiFi and Bluetooth.
And a suspend button becomes available in the shutdown dialog.

main/postmarketos-ui-mate/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Jakko <jahau@rocketmail.com>
 pkgname=postmarketos-ui-mate
 pkgver=5
-pkgrel=5
+pkgrel=6
 pkgdesc="(X11) MATE Desktop Environment, fork of GNOME2 (stylus recommended)"
 url="http://mate-desktop.org/"
 arch="noarch"
@@ -11,6 +11,7 @@ depends="
 	bluez
 	dbus-x11
 	dnsmasq
+	elogind
 	gtk+2.0
 	lightdm
 	lightdm-openrc
@@ -22,6 +23,7 @@ depends="
 	networkmanager-tui
 	networkmanager-wifi
 	networkmanager-wwan
+	polkit-elogind
 	postmarketos-base-ui
 	postmarketos-artwork-wallpapers
 	xorg-server