imx: Use per board ddrphy_trained_csr

Drop global ddrphy_trained_csr which maybe different with per board
ddrphy_trained_csr. DDR TOOL generates ddrphy_trained_csr for each
board, using the global ddrphy_trained_csr has risk that values may
be not up to date.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/ddr/imx/phy/helper.c b/drivers/ddr/imx/phy/helper.c
index c1fc800..b0dfc3a 100644
--- a/drivers/ddr/imx/phy/helper.c
+++ b/drivers/ddr/imx/phy/helper.c
@@ -181,7 +181,7 @@
 
 	saved_timing->ddrc_cfg_num = timing_info->ddrc_cfg_num;
 	saved_timing->ddrphy_cfg_num = timing_info->ddrphy_cfg_num;
-	saved_timing->ddrphy_trained_csr_num = ddrphy_trained_csr_num;
+	saved_timing->ddrphy_trained_csr_num = timing_info->ddrphy_trained_csr_num;
 	saved_timing->ddrphy_pie_num = timing_info->ddrphy_pie_num;
 
 	/* save the fsp table */
@@ -209,9 +209,9 @@
 
 	/* save the ddrphy csr */
 	saved_timing->ddrphy_trained_csr = cfg;
-	for (i = 0; i < ddrphy_trained_csr_num; i++) {
-		cfg->reg = ddrphy_trained_csr[i].reg;
-		cfg->val = ddrphy_trained_csr[i].val;
+	for (i = 0; i < timing_info->ddrphy_trained_csr_num; i++) {
+		cfg->reg = timing_info->ddrphy_trained_csr[i].reg;
+		cfg->val = timing_info->ddrphy_trained_csr[i].val;
 		cfg++;
 	}