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

- Clearfog: Fix SD card booting (Baruch)
- Fix potential dereference NULL pointer in dram_init() (Chris)

arch/arm/dts/armada-388-clearfog-u-boot.dtsi

@@ -12,6 +12,10 @@
 	u-boot,dm-spl;
 };
 
+&gpio0 {
+	u-boot,dm-spl;
+};
+
 &ahci0 {
 	u-boot,dm-spl;
 };

arch/arm/mach-mvebu/dram.c

@@ -281,16 +281,6 @@ int dram_init(void)
 			size = MVEBU_SDRAM_SIZE_MAX;
 	}
 
-	for (; i < CONFIG_NR_DRAM_BANKS; i++) {
-		/* If above loop terminated prematurely, we need to set
-		 * remaining banks' start address & size as 0. Otherwise other
-		 * u-boot functions and Linux kernel gets wrong values which
-		 * could result in crash */
-		gd->bd->bi_dram[i].start = 0;
-		gd->bd->bi_dram[i].size = 0;
-	}
-
-
 	if (ecc_enabled())
 		dram_ecc_scrubbing();