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/power/power.h b/kernel/power/power.h
index 5f24c78..9080914 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -13,7 +13,7 @@
 
 
 
-#ifdef CONFIG_SOFTWARE_SUSPEND
+#ifdef CONFIG_HIBERNATION
 /*
  * Keep some memory free so that I/O operations can succeed without paging
  * [Might this be more than 4 MB?]