arm64: zynqmp: Enable SPL ram support

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zcu102_revA_defconfig b/configs/xilinx_zynqmp_zcu102_revA_defconfig
index 6508eaa..72dfc29 100644
--- a/configs/xilinx_zynqmp_zcu102_revA_defconfig
+++ b/configs/xilinx_zynqmp_zcu102_revA_defconfig
@@ -16,6 +16,8 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SPL=y
 CONFIG_SPL_OS_BOOT=y
+CONFIG_SPL_RAM_SUPPORT=y
+CONFIG_SPL_RAM_DEVICE=y
 CONFIG_SYS_PROMPT="ZynqMP> "
 CONFIG_FASTBOOT=y
 CONFIG_FASTBOOT_FLASH=y