fdt: add call to ft_board_setup_ex() for ks2 boards

When updating the board FDT, some of the operations
are performed by ft_board_setup_ex() and should be
executed also by the fdt command.

Signed-off-by: Nicholas Faustini <nicholas.faustini@azcomtech.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 28de467..8a19a3f 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -596,6 +596,9 @@
 			       fdt_strerror(err));
 			return CMD_RET_FAILURE;
 		}
+#ifdef CONFIG_SOC_KEYSTONE
+		ft_board_setup_ex(working_fdt, gd->bd);
+#endif
 	}
 #endif
 	/* Create a chosen node */