rockchip: ram: rk3399: update for TPL

Init the ddr sdram in TPL instead of SPL, update the code.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Andy Yan <andy.yan@rock-chips.com>
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 05ec5fc..5251865 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -30,7 +30,8 @@
 };
 
 struct dram_info {
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 	struct chan_info chan[2];
 	struct clk ddr_clk;
 	struct rk3399_cru *cru;
@@ -55,7 +56,8 @@
 #define PHY_DRV_ODT_40		0xe
 #define PHY_DRV_ODT_34_3	0xf
 
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 
 struct rockchip_dmc_plat {
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
@@ -1187,7 +1189,8 @@
 
 static int rk3399_dmc_probe(struct udevice *dev)
 {
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 	if (rk3399_dmc_init(dev))
 		return 0;
 #else
@@ -1226,12 +1229,14 @@
 	.id = UCLASS_RAM,
 	.of_match = rk3399_dmc_ids,
 	.ops = &rk3399_dmc_ops,
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 	.ofdata_to_platdata = rk3399_dmc_ofdata_to_platdata,
 #endif
 	.probe = rk3399_dmc_probe,
 	.priv_auto_alloc_size = sizeof(struct dram_info),
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 	.platdata_auto_alloc_size = sizeof(struct rockchip_dmc_plat),
 #endif
 };