cyber2000fb: Kill the one modular sparc prom_printf call.

Noticed by Robert Reif and Sam Ravnborg.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index 41d6263..39d5d64 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1513,7 +1513,7 @@
 
 	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;
 	}