dm: core: Rename device_bind() to device_bind_offset()

This function is not necessary anymore, since device_bind_ofnode() does
the same thing and works with both flattree and livetree.

Rename it to indicate that it is special.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/gpio/mt7621_gpio.c b/drivers/gpio/mt7621_gpio.c
index 612413e..b64bc83 100644
--- a/drivers/gpio/mt7621_gpio.c
+++ b/drivers/gpio/mt7621_gpio.c
@@ -157,8 +157,8 @@
 		plat->gpio_count = MTK_BANK_WIDTH;
 		plat->bank = bank;
 
-		ret = device_bind(parent, parent->driver,
-				  plat->bank_name, plat, -1, &dev);
+		ret = device_bind_offset(parent, parent->driver,
+					 plat->bank_name, plat, -1, &dev);
 		if (ret)
 			return ret;