mpc83xx: remove the unused CPM's stuff

The MPC83xx family never have CPM block, so remove it from 83xx.

Signed-off-by: Dave Liu <daveliu@freescale.com>

cpu/mpc83xx/fdt.c

@@ -63,13 +63,5 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 		"clock-frequency", bd->bi_busfreq, 1);
 #endif
 
-#ifdef CONFIG_CPM2
-	do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
-		"current-speed", bd->bi_baudrate, 1);
-
-	do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
-		"clock-frequency", bd->bi_brgfreq, 1);
-#endif
-
 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }