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/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index a0dab6f..517a8ce 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -575,6 +575,8 @@
 
 	fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
 
+	fdt_fsl_mc_fixup_iommu_map_entry(blob);
+
 	fsl_fdt_fixup_flash(blob);
 
 #ifdef CONFIG_FSL_MC_ENET