cyber2000fb: Kill the one modular sparc prom_printf call.

Noticed by Robert Reif and Sam Ravnborg.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/video/cyber2000fb.c

@@ -1513,7 +1513,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
 
 	iop = ioremap(0x3000000, 0x5000);
 	if (iop == NULL) {
-		prom_printf("iga5000: cannot map I/O\n");
+		printk(KERN_ERR "iga5000: cannot map I/O\n");
 		return -ENOMEM;
 	}