r2p: Update r2p payload

2 modes:
- With updater2p; Forces the reboot to payload binary to be hekate
- Without; Checks if hekate and then if old

bootloader/main.c

@@ -862,6 +862,8 @@ static void _auto_launch_firmware()
 								h_cfg.autohosoff = atoi(kv->val);
 							else if (!strcmp("autonogc", kv->key))
 								h_cfg.autonogc = atoi(kv->val);
+							else if (!strcmp("updater2p", kv->key))
+								h_cfg.updater2p = atoi(kv->val);
 							else if (!strcmp("brand", kv->key))
 							{
 								h_cfg.brand = malloc(strlen(kv->val) + 1);