arm64: dts: exynos: gs101: enable ufs, phy on oriole & define ufs regulator

Enable ufs & ufs phy nodes for Oriole. Also define the ufs regulator node.

ufs regulator is a stub until full s2mpg11 slave pmic support is added.
The gpio defined is for the BOOTLD0 (gs101) signal connected to
UFS_EN(s2mpg11) gpio enabled voltage rail for UFS.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20240430141445.2688499-4-peter.griffin@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm64/boot/dts/exynos/google/gs101-oriole.dts

@@ -59,6 +59,15 @@ reg_placeholder: regulator-0 {
 		compatible = "regulator-fixed";
 		regulator-name = "placeholder_reg";
 	};
+
+	/* TODO: Remove this once S2MPG11 slave PMIC is implemented  */
+	ufs_0_fixed_vcc_reg: regulator-1 {
+		compatible = "regulator-fixed";
+		regulator-name = "ufs-vcc";
+		gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
+		regulator-boot-on;
+		enable-active-high;
+	};
 };
 
 &ext_24_5m {
@@ -112,6 +121,15 @@ &serial_0 {
 	status = "okay";
 };
 
+&ufs_0 {
+	status = "okay";
+	vcc-supply = <&ufs_0_fixed_vcc_reg>;
+};
+
+&ufs_0_phy {
+	status = "okay";
+};
+
 &usbdrd31 {
 	status = "okay";
 	vdd10-supply = <&reg_placeholder>;