rtc: mc146818: Use probe() to set up the device

At present this driver uses bind() to set up the device. The bind() method
should not touch the hardware, so move the init code to probe().

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/rtc/mc146818.c

@@ -225,7 +225,7 @@ static int rtc_mc146818_write8(struct udevice *dev, unsigned int reg, int val)
 	return 0;
 }
 
-static int rtc_mc146818_bind(struct udevice *dev)
+static int rtc_mc146818_probe(struct udevice *dev)
 {
 	mc146818_init();
 
@@ -249,7 +249,7 @@ U_BOOT_DRIVER(rtc_mc146818) = {
 	.name = "rtc_mc146818",
 	.id = UCLASS_RTC,
 	.of_match = rtc_mc146818_ids,
-	.bind = rtc_mc146818_bind,
+	.probe = rtc_mc146818_probe,
 	.ops = &rtc_mc146818_ops,
 };