Failures on Debian-s390x-native-gdbserver-m64, branch gdb-8.0-branch

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	debian-jessie-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Debian-s390x-native-gdbserver-m64/builds/5409>

Commit(s) tested:
	378272cef651024de67dc0e09d3f41ae2d66f8bd

Author(s) (in the same order as the commits):
	Tamar Christina <tamar.christina@arm.com>

Subject:
	Fix AArch64 debug trace build

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-gdbserver-m64/37/378272cef651024de67dc0e09d3f41ae2d66f8bd/>