pinctrl: imx: Inline struct imx_pinctrl_soc_info access into probe

The probe function is identical across all the pinctrl drivers.
Inline the imx_pinctrl_soc_info access into imx_pinctrl_probe()
and drop all the duplicate probe functions. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/pinctrl/nxp/pinctrl-imx6.c b/drivers/pinctrl/nxp/pinctrl-imx6.c
index 23b5566..ae16ce7 100644
--- a/drivers/pinctrl/nxp/pinctrl-imx6.c
+++ b/drivers/pinctrl/nxp/pinctrl-imx6.c
@@ -20,14 +20,6 @@
 	.flags = ZERO_OFFSET_VALID,
 };
 
-static int imx6_pinctrl_probe(struct udevice *dev)
-{
-	struct imx_pinctrl_soc_info *info =
-		(struct imx_pinctrl_soc_info *)dev_get_driver_data(dev);
-
-	return imx_pinctrl_probe(dev, info);
-}
-
 static const struct udevice_id imx6_pinctrl_match[] = {
 	{ .compatible = "fsl,imx6q-iomuxc", .data = (ulong)&imx6_pinctrl_soc_info },
 	{ .compatible = "fsl,imx6dl-iomuxc", .data = (ulong)&imx6_pinctrl_soc_info },
@@ -48,7 +40,7 @@
 	.name = "fsl_imx6q_iomuxc",
 	.id = UCLASS_PINCTRL,
 	.of_match = of_match_ptr(imx6_pinctrl_match),
-	.probe = imx6_pinctrl_probe,
+	.probe = imx_pinctrl_probe,
 	.remove = imx_pinctrl_remove,
 	.priv_auto	= sizeof(struct imx_pinctrl_priv),
 	.ops = &imx6_pinctrl_ops,