ARM64: dts: meson-gxbb-odroidc2: Fix TFLASH VDD regulator GPIO line

The wrong GPIO line was provided here.

Fixes: ef8d2ffe ("ARM64: dts: meson-gxbb: add MMC support")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts

@@ -96,7 +96,7 @@ tflash_vdd: regulator-tflash_vdd {
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 
-		gpio = <&gpio_ao GPIOAO_12 GPIO_ACTIVE_HIGH>;
+		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};