convert license to SPDX

This is part of https://fedoraproject.org/wiki/Changes/SPDX_Licenses_Phase_4

weston.spec

@@ -2,9 +2,10 @@
 
 Name:           weston
 Version:        14.0.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Reference compositor for Wayland
 
+# Automatically converted from old format: MIT and CC-BY-SA-3.0 - review is highly recommended.
 License:        MIT and CC-BY-SA-3.0
 URL:            http://wayland.freedesktop.org/
 Source0:        https://gitlab.freedesktop.org/wayland/%{name}/-/releases/%{version}/downloads/%{name}-%{version}.tar.xz
@@ -104,6 +105,7 @@ This package contains Weston demo program files.
 
 %package        devel
 Summary:        Common headers for weston
+# Automatically converted from old format: MIT - review is highly recommended.
 License:        MIT
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
@@ -212,6 +214,9 @@ Common headers for weston
 %{_datadir}/libweston-%{apiver}/protocols/
 
 %changelog
+* Wed Sep 04 2024 Miroslav Suchý <msuchy@redhat.com> - 14.0.0-2
+- convert license to SPDX
+
 * Wed Sep 04 2024 Neal Gompa <ngompa@fedoraproject.org> - 14.0.0-1
 - Update to 14.0.0 final