Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION

Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION to avoid
confusion (among other things, with CONFIG_SUSPEND introduced in the
next patch).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/sys.c b/kernel/sys.c
index 14f8adc..449b81b 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -954,7 +954,7 @@
 		unlock_kernel();
 		return -EINVAL;
 
-#ifdef CONFIG_SOFTWARE_SUSPEND
+#ifdef CONFIG_HIBERNATION
 	case LINUX_REBOOT_CMD_SW_SUSPEND:
 		{
 			int ret = hibernate();