suspend: Move NVS save/restore code to generic suspend functionality

Saving platform non-volatile state may be required for suspend to RAM as
well as hibernation. Move it to more generic code.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 7bca3c6..0d6fc71 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -729,7 +729,7 @@
 		struct e820entry *ei = &e820.map[i];
 
 		if (ei->type == E820_NVS)
-			hibernate_nvs_register(ei->addr, ei->size);
+			suspend_nvs_register(ei->addr, ei->size);
 	}
 
 	return 0;