armv8: ls1046afrwy: Add support for LS1046AFRWY platform

LS1046AFRWY board supports LS1046A family SoCs. This patch
add base support for this board.
Board support's 4GB ddr memory, i2c, micro-click module,microSD card,
serial console,qspi nor flash,ifc nand flash,qsgmii network interface,
usb 3.0 and serdes interface to support two x1gen3 pcie interface.

Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Pankit Garg <pankit.garg@nxp.com>
Signed-off-by: Pramod Kumar <pramod.kumar_1@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/board/freescale/ls1046afrwy/ddr.c b/board/freescale/ls1046afrwy/ddr.c
new file mode 100644
index 0000000..daf17e0
--- /dev/null
+++ b/board/freescale/ls1046afrwy/ddr.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <common.h>
+#include <fsl_ddr_sdram.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int fsl_initdram(void)
+{
+	gd->ram_size = tfa_get_dram_size();
+
+	if (!gd->ram_size)
+		gd->ram_size = fsl_ddr_sdram_size();
+
+	return 0;
+}