vexpress64_fvp: Set DRAM to 4G to match with kernel devicetree

Currently, the kernel devicetree is setting the DRAM size to ~4G.

Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 566bee5..7318fb6 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -117,6 +117,9 @@
 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
 #define PHYS_SDRAM_2			(0x880000000)
 #define PHYS_SDRAM_2_SIZE		0x180000000
+#elif CONFIG_TARGET_VEXPRESS64_BASE_FVP && CONFIG_NR_DRAM_BANKS == 2
+#define PHYS_SDRAM_2			(0x880000000)
+#define PHYS_SDRAM_2_SIZE		0x80000000
 #endif
 
 /* Enable memtest */