x86/asm, x86/power/hibernate: Use local labels in asm

x86/asm, x86/power/hibernate: Use local labels in asm

... so that they don't appear in the object file and thus in
objdump output. They're local anyway and have a meaning only
within that file.

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-pm@vger.kernel.org
Link: http://lkml.kernel.org/r/1428867906-12016-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>