am33xx: Bugfix to config_sdram()

When we change SDRAM_CONFIG this triggers a refresh based on all of the
parameters that we have programmed so we must do this last.

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c
index e592609..c37f91b 100644
--- a/arch/arm/cpu/armv7/am33xx/ddr.c
+++ b/arch/arm/cpu/armv7/am33xx/ddr.c
@@ -49,10 +49,9 @@
  */
 int config_sdram(struct sdram_config *cfg)
 {
-	writel(cfg->sdrcr, &emif_reg->emif_sdram_config);
-	writel(cfg->sdrcr2, &emif_reg->emif_lpddr2_nvm_config);
 	writel(cfg->refresh, &emif_reg->emif_sdram_ref_ctrl);
 	writel(cfg->refresh_sh, &emif_reg->emif_sdram_ref_ctrl_shdw);
+	writel(cfg->sdrcr, &emif_reg->emif_sdram_config);
 
 	return 0;
 }