ram: rockchip: rv1126: Control ddr init prints via DEBUG

Control the ddr init print messages via RAM_ROCKCHIP_DEBUG
instead of printing by default.

This gives an option to configs to enable these prints or
not.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/ram/rockchip/sdram_rv1126.c b/drivers/ram/rockchip/sdram_rv1126.c
index 2a57b19..7832485f 100644
--- a/drivers/ram/rockchip/sdram_rv1126.c
+++ b/drivers/ram/rockchip/sdram_rv1126.c
@@ -3358,22 +3358,33 @@
 	if (get_wrlvl_val(dram, sdram_params))
 		printascii("get wrlvl value fail\n");
 
-	printascii("change to: ");
-	printdec(f1);
-	printascii("MHz\n");
+	if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
+		printascii("change to: ");
+		printdec(f1);
+		printascii("MHz\n");
+	}
 	ddr_set_rate(&dram_info, sdram_params, f1,
 		     sdram_params->base.ddr_freq, 1, 1, 1);
-	printascii("change to: ");
-	printdec(f2);
-	printascii("MHz\n");
+
+	if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
+		printascii("change to: ");
+		printdec(f2);
+		printascii("MHz\n");
+	}
 	ddr_set_rate(&dram_info, sdram_params, f2, f1, 2, 0, 1);
-	printascii("change to: ");
-	printdec(f3);
-	printascii("MHz\n");
+
+	if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
+		printascii("change to: ");
+		printdec(f3);
+		printascii("MHz\n");
+	}
 	ddr_set_rate(&dram_info, sdram_params, f3, f2, 3, 1, 1);
-	printascii("change to: ");
-	printdec(f0);
-	printascii("MHz(final freq)\n");
+
+	if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
+		printascii("change to: ");
+		printdec(f0);
+		printascii("MHz(final freq)\n");
+	}
 	ddr_set_rate(&dram_info, sdram_params, f0, f3, 0, 0, 1);
 }
 
@@ -3465,7 +3476,8 @@
 	save_rw_trn_result_to_ddr(&rw_trn_result);
 #endif
 
-	printascii("out\n");
+	if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG))
+		printascii("out\n");
 
 	return ret;
 error: