enable polkit support to allow normal users to access modems

See-also: https://bugzilla.redhat.com/show_bug.cgi?id=1995186
See-also: https://gitlab.gnome.org/GNOME/gnome-control-center/-/merge_requests/583#note_1214119

Taken from Fedora patch ([1]).

[1] 620ae5623e

Resolves: #1995186

ModemManager.spec

@@ -4,7 +4,7 @@
 
 Name: ModemManager
 Version: 1.14.10
-Release: 4%{?dist}
+Release: 5%{?dist}
 Summary: Mobile broadband modem management service
 License: GPLv2+
 URL: http://www.freedesktop.org/wiki/Software/ModemManager/
@@ -38,6 +38,7 @@ BuildRequires: libqmi-devel >= 1.26.0
 BuildRequires: make
 BuildRequires: systemd-devel >= 209
 BuildRequires: vala
+BuildRequires: polkit-devel
 
 %global __provides_exclude ^libmm-plugin-
 
@@ -100,7 +101,7 @@ autoreconf -vif
 	--with-qmi=yes \
 	--with-mbim=yes \
 	--disable-static \
-	--with-polkit=no \
+	--with-polkit=permissive \
 	--with-dist-version=%{version}-%{release}
 
 %make_build
@@ -136,6 +137,7 @@ find %{buildroot} -type f -name "*.la" -delete
 %dir %{_libdir}/%{name}
 %attr(0755,root,root) %{_libdir}/%{name}/*.so*
 %{_udevrulesdir}/*
+%{_datadir}/polkit-1/actions/*.policy
 %{_unitdir}/ModemManager.service
 %{_datadir}/icons/hicolor/22x22/apps/*.png
 %{_datadir}/bash-completion
@@ -168,6 +170,9 @@ find %{buildroot} -type f -name "*.la" -delete
 %{_datadir}/vala/vapi/libmm-glib.*
 
 %changelog
+* Thu Aug 19 2021 Thomas Haller <thaller@redhat.com> - 1.14.10-5
+- enable polkit support to allow normal users to access modems (rh #1995186)
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.14.10-4
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688