Merge https://gitlab.denx.de/u-boot/custodians/u-boot-marvell

- turris_mox: Enhancements, mostlly defconfig changes (Pali)
- pci-aardvark: Set Max Payload Size and Max Read Request Size
                to 512 bytes (Pali)
- pci_mvebu: Minor cleanup and refactoring (Marek)
- Upgrade A38x DDR3 training to version 14.0.0 (Marek)

arch/arm/dts/armada-385-turris-omnia-u-boot.dtsi

@@ -41,10 +41,7 @@
 &spi0 {
 	u-boot,dm-pre-reloc;
 
-	spi-flash@0 {
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <40000000>;
+	spi-nor@0 {
 		u-boot,dm-pre-reloc;
 	};
 };