Fix MPC8260 with ethernet on SCC

This fixes MPC8260 compilation with ethernet on SCC. Probably was a
typo or something...

Signed-off-by: Sergey Kubushyn <ksi@koi8.net>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

cpu/mpc8260/cpu.c

@@ -327,7 +327,7 @@ int cpu_eth_init(bd_t *bis)
 	fec_initialize(bis);
 #endif
 #if defined(CONFIG_ETHER_ON_SCC)
-	mpc82xx_scc_enet_initialize(bd);
+	mpc82xx_scc_enet_initialize(bis);
 #endif
 	return 0;
 }