Backport java_arches macro from Fedora

Fedora java packages now make use of a java_arches macro to only build
on specific arches. Backport this to EPEL to allow those packages to be
built in EPEL without modification.

https://fedoraproject.org/wiki/Changes/Drop_i686_JDKs

epel-rpm-macros.spec

@@ -1,6 +1,6 @@
 Name:           epel-rpm-macros
 Version:        8
-Release:        32
+Release:        33
 Summary:        Extra Packages for Enterprise Linux RPM macros
 
 License:        GPLv2
@@ -112,6 +112,9 @@ install -Dpm 644 %{SOURCE150} \
 
 
 %changelog
+* Wed Aug 24 2022 Iñaki Úcar <iucar@fedoraproject.org> - 8-33
+- Backport java_arches macro from Fedora
+
 * Sat Jul 16 2022 Maxwell G <gotmax@e.email> - 8-32
 - Explicitly Require python3-rpm-generators
 - Remove %%__pythondist_provides from pythondist.attr.

macros.epel-rpm-macros

@@ -111,3 +111,6 @@
 # qt5 macro removed from RHEL8 but needed to ensure qtwebengine, and
 #  its dependencies build on supported arches.
 %qt5_qtwebengine_arches %{ix86} x86_64 %{arm} aarch64 mips mipsel mips64el
+
+# Arches that OpenJDK and dependent packages run on
+%java_arches aarch64 ppc64le s390x x86_64