i2c: designware_i2c: Do more in the probe() method

Move some of the code currently in the ofdata_to_platdata() method to
probe() so that it is not executed when generating ACPI tables.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index 39af25a..c8c5d2c 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -704,6 +704,7 @@
 int designware_i2c_ofdata_to_platdata(struct udevice *bus)
 {
 	struct dw_i2c *priv = dev_get_priv(bus);
+	int ret;
 
 	if (!priv->regs)
 		priv->regs = (struct i2c_regs *)devfdt_get_addr_ptr(bus);
@@ -711,14 +712,6 @@
 	dev_read_u32(bus, "i2c-scl-falling-time-ns", &priv->scl_fall_time_ns);
 	dev_read_u32(bus, "i2c-sda-hold-time-ns", &priv->sda_hold_time_ns);
 
-	return 0;
-}
-
-int designware_i2c_probe(struct udevice *bus)
-{
-	struct dw_i2c *priv = dev_get_priv(bus);
-	int ret;
-
 	ret = reset_get_bulk(bus, &priv->resets);
 	if (ret)
 		dev_warn(bus, "Can't get reset: %d\n", ret);
@@ -738,6 +731,13 @@
 	}
 #endif
 
+	return 0;
+}
+
+int designware_i2c_probe(struct udevice *bus)
+{
+	struct dw_i2c *priv = dev_get_priv(bus);
+
 	return __dw_i2c_init(priv->regs, 0, 0);
 }