ppc4xx: Don't write the MAC address into the internal SoC registers

Remove this code. It's not needed. The 4xx EMAC driver stores the MAC
addresses into the SoC registers instead.
Signed-off-by: NStefan Roese <sr@denx.de>

cpu/ppc4xx/cpu_init.c

@@ -321,35 +321,9 @@ cpu_init_f (void)
  */
 int cpu_init_r (void)
 {
-#if defined(CONFIG_405GP)  || defined(CONFIG_405EP)
-	bd_t *bd = gd->bd;
-	unsigned long reg;
-	uchar enetaddr[6];
 #if defined(CONFIG_405GP)
 	uint pvr = get_pvr();
-#endif
-
-	/*
-	 * Write Ethernetaddress into on-chip register
-	 */
-	reg = 0x00000000;
-	eth_getenv_enetaddr("ethaddr", enetaddr);
-	reg |= enetaddr[0];           /* set high address */
-	reg = reg << 8;
-	reg |= enetaddr[1];
-	out32 (EMAC_IAH, reg);
-
-	reg = 0x00000000;
-	reg |= enetaddr[2];           /* set low address  */
-	reg = reg << 8;
-	reg |= enetaddr[3];
-	reg = reg << 8;
-	reg |= enetaddr[4];
-	reg = reg << 8;
-	reg |= enetaddr[5];
-	out32 (EMAC_IAL, reg);
 
-#if defined(CONFIG_405GP)
 	/*
 	 * Set edge conditioning circuitry on PPC405GPr
 	 * for compatibility to existing PPC405GP designs.
@@ -358,7 +332,6 @@ int cpu_init_r (void)
 		mtdcr(ecr, 0x60606000);
 	}
 #endif  /* defined(CONFIG_405GP) */
-#endif  /* defined(CONFIG_405GP) || defined(CONFIG_405EP) */
 
-	return (0);
+	return 0;
 }