Failures on Fedora-x86_64-native-gdbserver-m32, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-x86-64-4

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-x86_64-native-gdbserver-m32/builds/6689>

Commit(s) tested:
	8b5f1ed8777df405f3c7b87472b1506f5125aebe

Author(s) (in the same order as the commits):
	Alan Modra <amodra@gmail.com>

Subject:
	PR 21847, Don't default PowerPC64 to --plt-localentry

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-x86_64-native-gdbserver-m32/8b/8b5f1ed8777df405f3c7b87472b1506f5125aebe/>