rtc: fix missing id_table in rtc-ds1672 and rtc-max6900 drivers

Add missing id_table to the drivers in subject.  Patch is against the
latest git.  It should go in with 2.6.28 if possible, the drivers won't
work without the id_table bits.

Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Reported-by: Imre Kaloz <kaloz@openwrt.org>
Tested-by: Imre Kaloz <kaloz@openwrt.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 8078279..a4f6665 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -247,12 +247,18 @@
 	return 0;
 }
 
+static struct i2c_device_id max6900_id[] = {
+	{ "max6900", 0 },
+	{ }
+};
+
 static struct i2c_driver max6900_driver = {
 	.driver = {
 		   .name = "rtc-max6900",
 		   },
 	.probe = max6900_probe,
 	.remove = max6900_remove,
+	.id_table = max6900_id,
 };
 
 static int __init max6900_init(void)