[I2C] i2c-elektor: adding missing casts

Signed-off-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>

--- x25-inc/drivers/i2c/busses/i2c-elektor.c	2004-11-24 13:18:44.000000000 -0200
+++ x25/drivers/i2c/busses/i2c-elektor.c	2004-11-24 13:28:07.000000000 -0200
@@ -80,10 +80,10 @@ static void pcf_isa_setbyte(void *data, 
 		break;
 	case 2: /* double mapped I/O needed for UP2000 board,
                    I don't know why this... */
-		writeb(val, address);
+		writeb(val, (void *)address);
 		/* fall */
 	case 1: /* memory mapped I/O */
-		writeb(val, address);
+		writeb(val, (void *)address);
 		break;
 	}
 }
@@ -91,7 +91,7 @@ static void pcf_isa_setbyte(void *data, 
 static int pcf_isa_getbyte(void *data, int ctl)
 {
 	int address = ctl ? (base + 1) : base;
-	int val = mmapped ? readb(address) : inb(address);
+	int val = mmapped ? readb((void *)address) : inb(address);
 
 	pr_debug("i2c-elektor: Read 0x%X 0x%02X\n", address, val);