staging: olpc_dcon: switch back to using olpc_board(0xXX)

...Rather than macros that don't exist.  Necessary for building the
driver.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/olpc_dcon/olpc_dcon.c

@@ -201,7 +201,7 @@ static int dcon_bus_stabilize(struct i2c_client *client, int is_powered_down)
 	if (x < 0) {
 		printk(KERN_ERR "olpc-dcon:  unable to stabilize dcon's "
 				"smbus, reasserting power and praying.\n");
-		BUG_ON(olpc_board_at_least(olpc_board(BOARD_XO_1_C2)));
+		BUG_ON(olpc_board_at_least(olpc_board(0xc2)));
 		x = 0;
 		olpc_ec_cmd(0x26, (unsigned char *) &x, 1, NULL, 0);
 		msleep(100);
@@ -295,7 +295,7 @@ static void dcon_sleep(int state)
 	if (state == dcon_sleep_val)
 		return;
 
-	if (!olpc_board_at_least(olpc_board(BOARD_XO_1_C2)))
+	if (!olpc_board_at_least(olpc_board(0xc2)))
 		return;
 
 	if (state == DCON_SLEEP) {