Merge tag 'efi-2022-01-rc4-4' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-01-rc4-4

UEFI:

* allow for more than 16 KiB UEFI variable size when using StMM

Others:

* make watchdog sysreset compatible with separate poweroff driver
* avoid OpenSSL deprecation warnings

drivers/sysreset/sysreset_watchdog.c

@@ -20,9 +20,16 @@ static int wdt_reboot_request(struct udevice *dev, enum sysreset_t type)
 	struct wdt_reboot_plat *plat = dev_get_plat(dev);
 	int ret;
 
-	ret = wdt_expire_now(plat->wdt, 0);
-	if (ret)
-		return ret;
+	switch (type) {
+	case SYSRESET_COLD:
+	case SYSRESET_WARM:
+		ret = wdt_expire_now(plat->wdt, 0);
+		if (ret)
+			return ret;
+		break;
+	default:
+		return -ENOSYS;
+	}
 
 	return -EINPROGRESS;
 }