* lib/gdb.exp (skip_hw_breakpoint_tests): New procedure.

	* lib/gdb.exp (skip_hw_breakpoint_tests): New procedure.
	(skip_hw_watchpoint_tests): Likewise.
	(skip_hw_watchpoint_multi_tests): Likewise.
	(skip_hw_watchpoint_access_tests): Likewise.

	* gdb.base/hbreak.exp: Use appropriate skip_hw_..._tests checks.
	* gdb.base/pr11022.exp: Likewise.
	* gdb.base/watch-read.exp: Likewise.
	* gdb.base/watch_thread_num.exp: Likewise.
	* gdb.base/watchpoint-hw-hit-once.exp: Likewise.
	* gdb.base/watchpoint-hw.exp: Likewise.
	* gdb.base/watchpoint.exp: Likewise.
	* gdb.threads/local-watch-wrong-thread.exp: Likewise.
	* gdb.threads/watchthreads-reorder.exp: Likewise.
	* gdb.threads/watchthreads.exp: Likewise.
	* gdb.threads/watchthreads2.exp: Likewise.