mpc83xx: add "fsl,soc" and "fsl,immr" compatible fixups

device_type = "soc" is being deprecated, newer device trees will use
"fsl,soc" and/or "fsl,immr" for the soc nodes.

This patch also adds clock-frequency property for soc nodes (the same
value as bus-frequency).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index d3fd78e..b39f678 100644
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -46,6 +46,14 @@
 		"clock-frequency", gd->core_clk, 1);
 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 		"bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_compat_u32(blob, "fsl,soc",
+		"bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_compat_u32(blob, "fsl,soc",
+		"clock-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_compat_u32(blob, "fsl,immr",
+		"bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_compat_u32(blob, "fsl,immr",
+		"clock-frequency", bd->bi_busfreq, 1);
 #ifdef CONFIG_QE
 	ft_qe_setup(blob);
 #endif