ARM64: zynqmp: Make DDR detection code work on 32bit system

Define u64 types to be usable on 32bit system because of 64bit address
and size cells and 32bit shifts in the code.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 087578c..529476b 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -63,8 +63,8 @@
 	int address_cells = fdt_address_cells(fdt, parent_offset);
 	int size_cells = fdt_size_cells(fdt, parent_offset);
 	char *p = buf;
-	phys_addr_t val;
-	phys_size_t vals;
+	u64 val;
+	u64 vals;
 
 	debug("%s: addr_cells=%x, size_cell=%x, buf=%p, cell=%p\n",
 	      __func__, address_cells, size_cells, buf, cell);
@@ -166,7 +166,7 @@
 
 	gd->ram_size = fdt_get_reg(blob, node, &tmp, cell, len / FDT_REG_SIZE);
 
-	debug("%s: Initial DRAM size %llx\n", __func__, gd->ram_size);
+	debug("%s: Initial DRAM size %llx\n", __func__, (u64)gd->ram_size);
 
 	return 0;
 }