ARM: bcm2835-rpi-zero-w: Add missing pinctrl name

commit 6687c20 upstream.

Define the sdhci pinctrl state as "default" so it gets applied
correctly and to match all other RPis.

Fixes: 2c7c040 ("ARM: dts: bcm2835: Add Raspberry Pi Zero W")
Signed-off-by: Nick Hudson <skrll@netbsd.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/boot/dts/bcm2835-rpi-zero-w.dts

@@ -118,6 +118,7 @@
 &sdhci {
 	#address-cells = <1>;
 	#size-cells = <0>;
+	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;