ppc4xx: fdt: Cleanup setup of cpu node setup

Now the cpu node setup ("timebase-frequency" and "clock-frequency") is
without using the absolute path to the cpu node. This makes it possible
to use this U-Boot version with both versions of cpu-node naming
"cpu@0" and the former "PowerPC,440EPx@0".

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index f351b8b..afcb974 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -36,13 +36,14 @@
 
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
-	char *cpu_path = "/cpus/" OF_CPU;
 	sys_info_t sys_info;
 
 	get_sys_info(&sys_info);
 
-	do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1);
-	do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
+			     bd->bi_intfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
+			     bd->bi_intfreq, 1);
 	do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
 	do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
 	do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h
index bec9fde..f3e8601 100644
--- a/include/configs/kilauea.h
+++ b/include/configs/kilauea.h
@@ -519,6 +519,5 @@
 /* pass open firmware flat tree */
 #define CONFIG_OF_LIBFDT	1
 #define CONFIG_OF_BOARD_SETUP	1
-#define OF_CPU			"cpu@0"
 
 #endif	/* __CONFIG_H */
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h
index 419ee73..48a64e3 100644
--- a/include/configs/sequoia.h
+++ b/include/configs/sequoia.h
@@ -492,6 +492,5 @@
 /* pass open firmware flat tree */
 #define CONFIG_OF_LIBFDT	1
 #define CONFIG_OF_BOARD_SETUP	1
-#define OF_CPU			"cpu@0"
 
 #endif	/* __CONFIG_H */