ASoC: sam9g20ek: Let device core handle pinctrl

Since commit ab78029e (drivers/pinctrl: grab default handles from device
core) we can rely on device core for handling pinctrl so remove
devm_pinctrl_get_select_default() from the driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Bo Shen <voice.shen@atmel.com>

sound/soc/atmel/sam9g20_wm8731.c

@@ -38,8 +38,6 @@
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
 
-#include <linux/pinctrl/consumer.h>
-
 #include <linux/atmel-ssc.h>
 
 #include <sound/core.h>
@@ -203,15 +201,8 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
 	struct device_node *codec_np, *cpu_np;
 	struct clk *pllb;
 	struct snd_soc_card *card = &snd_soc_at91sam9g20ek;
-	struct pinctrl *pinctrl;
 	int ret;
 
-	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
-	if (IS_ERR(pinctrl)) {
-		dev_err(&pdev->dev, "Failed to request pinctrl for mck\n");
-		return PTR_ERR(pinctrl);
-	}
-
 	if (!np) {
 		if (!(machine_is_at91sam9g20ek() ||
 			machine_is_at91sam9g20ek_2mmc()))