Merged update from upstream sources

This is an automated DistroBaker update from upstream sources.
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Source: https://src.fedoraproject.org/rpms/qt5-qtserialport.git#1b9fba43e50ff6db0acaabf4ab8e3b176ef6479f

qt5-qtserialport.spec

@@ -3,7 +3,7 @@
 Summary: Qt5 - SerialPort component
 Name:    qt5-%{qt_module}
 Version: 5.15.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 # See LGPL_EXCEPTIONS.txt, LICENSE.GPL3, respectively, for exception details
 License: LGPLv2 with exceptions or GPLv3 with exceptions
@@ -11,6 +11,7 @@ Url:     http://www.qt.io
 %global majmin %(echo %{version} | cut -d. -f1-2)
 Source0: https://download.qt.io/official_releases/qt/%{majmin}/%{version}/submodules/%{qt_module}-everywhere-src-%{version}.tar.xz
 
+BuildRequires: make
 BuildRequires: qt5-qtbase-devel >= %{version}
 BuildRequires: pkgconfig(libudev)
 
@@ -89,6 +90,9 @@ popd
 
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 5.15.2-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Nov 24 07:54:15 CET 2020 Jan Grulich <jgrulich@redhat.com> - 5.15.2-2
 - Rebuild for qtbase with -no-reduce-relocations option