[binutils-gdb] watchpoint-unaligned.exp: Use skip_hw_watchpoint_tests

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 7785df4880f3828db8cf1715038127e6b858a670 ***

Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Branch: master
Commit: 7785df4880f3828db8cf1715038127e6b858a670

watchpoint-unaligned.exp: Use skip_hw_watchpoint_tests

gdb/testsuite/ChangeLog
2018-05-08  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.base/watchpoint-unaligned.exp: Use skip_hw_watchpoint_tests.