u-boot: fixup the iommu-map property of fsl-mc node

The iommu-map property in the fsl-mc node is updated by
valid stream-ids by u-boot. This patch is to fixup this
property for LS208x and LS1088.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/fsl-mc/fsl_mc.h b/include/fsl-mc/fsl_mc.h
index 7f4859b..aef40d3 100644
--- a/include/fsl-mc/fsl_mc.h
+++ b/include/fsl-mc/fsl_mc.h
@@ -51,6 +51,7 @@
 	u32 reg_error[];
 };
 
+void fdt_fsl_mc_fixup_iommu_map_entry(void *blob);
 int get_mc_boot_status(void);
 int get_dpl_apply_status(void);
 #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET