soc/intel/common/block/cse: Remove return statement in void function

Return statement is not useful in void function.

Change-Id: Idb8e07f48043452b329d255fe457f00317c017ae
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81429
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/common/block/cse/cse_lite.c

@@ -1111,7 +1111,6 @@ update_and_exit:
 	 * We cannot do much if CSE fails to backup the PSR data, except create an event log.
 	 */
 	update_psr_backup_status(PSR_BACKUP_DONE);
-	return;
 }
 
 static void initiate_psr_data_backup(void)