mpc8260: move FDT memory node fixup into common CPU code.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@noser.com>
Tested-by: Heiko Schocher <hs@denx.de>
diff --git a/cpu/mpc8260/cpu.c b/cpu/mpc8260/cpu.c
index 17e6248..aedbf29 100644
--- a/cpu/mpc8260/cpu.c
+++ b/cpu/mpc8260/cpu.c
@@ -318,6 +318,7 @@
 		"timebase-frequency", OF_TBCLK, 1);
 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 		"clock-frequency", bd->bi_intfreq, 1);
+	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }
 #endif /* CONFIG_OF_LIBFDT */