driver/ddr/fsl: Add a hook to update SPD address

In case SPD address changes between board revisions, updating SPD
address can be called from board file.

Signed-off-by: York Sun <yorksun at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
index 4099a74..728503b 100644
--- a/include/fsl_ddr.h
+++ b/include/fsl_ddr.h
@@ -136,4 +136,7 @@
 int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
 			unsigned int controller_number,
 			unsigned int dimm_number);
+void update_spd_address(unsigned int ctrl_num,
+			unsigned int slot,
+			unsigned int *addr);
 #endif