driver/ddr/fsl: Fix printing unspecified module info for DDR4

The offset of module information is at 128, different from DDR3.

Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c
index c9f8630..7fb4187 100644
--- a/drivers/ddr/fsl/interactive.c
+++ b/drivers/ddr/fsl/interactive.c
@@ -1579,7 +1579,7 @@
 		printf("%-3d-%3d: ", 128, 255);
 
 		for (i = 128; i <= 255; i++)
-			printf("%02x", spd->mod_section.uc[i - 60]);
+			printf("%02x", spd->mod_section.uc[i - 128]);
 
 		break;
 	}