x86 PM: move 64-bit hibernation files to arch/x86/power

Move arch/x86/kernel/suspend_64.c to arch/x86/power .

Move arch/x86/kernel/suspend_asm_64.S to arch/x86/power
as hibernate_asm_64.S .

Update purpose and copyright information in
arch/x86/power/suspend_64.c and
arch/x86/power/hibernate_asm_64.S .

Update the Makefiles in arch/x86, arch/x86/kernel and
arch/x86/power to reflect the above changes.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 364865b..204af43 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -191,8 +191,10 @@
 # must be linked after kernel/
 drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
 
-ifeq ($(CONFIG_X86_32),y)
+# suspend and hibernation support
 drivers-$(CONFIG_PM) += arch/x86/power/
+
+ifeq ($(CONFIG_X86_32),y)
 drivers-$(CONFIG_FB) += arch/x86/video/
 endif