Merge tag 'u-boot-stm32-20190712' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm

- syscon: add support for power off
- stm32mp1: add op-tee config
- stm32mp1: add specific commands: stboard and stm32key
- add stm32 mailbox driver
- solve many stm32 warnings when building with W=1
- update stm32 gpio driver

drivers/sysreset/sysreset_syscon.c

@@ -23,8 +23,9 @@ struct syscon_reboot_priv {
 static int syscon_reboot_request(struct udevice *dev, enum sysreset_t type)
 {
 	struct syscon_reboot_priv *priv = dev_get_priv(dev);
+	ulong driver_data = dev_get_driver_data(dev);
 
-	if (type == SYSRESET_POWER)
+	if (type != driver_data)
 		return -EPROTONOSUPPORT;
 
 	regmap_write(priv->regmap, priv->offset, priv->mask);
@@ -53,7 +54,8 @@ int syscon_reboot_probe(struct udevice *dev)
 }
 
 static const struct udevice_id syscon_reboot_ids[] = {
-	{ .compatible = "syscon-reboot" },
+	{ .compatible = "syscon-reboot", .data = SYSRESET_COLD },
+	{ .compatible = "syscon-poweroff", .data = SYSRESET_POWER_OFF },
 	{ /* sentinel */ }
 };