arm64: dts: qcom: msm8994-kitakami: Add uSD card support

Assign regulators and enable regulator-set-load on
VMMC so as to provide sufficient power.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210118162432.107275-7-konrad.dybcio@somainline.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi

@@ -355,6 +355,8 @@ pm8994_l21: l21 {
 			regulator-min-microvolt = <2950000>;
 			regulator-max-microvolt = <2950000>;
 			regulator-always-on;
+			regulator-allow-set-load;
+			regulator-system-load = <800000>;
 		};
 
 		pm8994_l22: l22 {
@@ -461,6 +463,14 @@ &sdhc1 {
 	 */
 };
 
+&sdhc2 {
+	status = "okay";
+
+	cd-gpios = <&tlmm 100 0>;
+	vmmc-supply = <&pm8994_l21>;
+	vqmmc-supply = <&pm8994_l13>;
+};
+
 &tlmm {
 	ts_int_active: ts-int-active {
 		pins = "gpio42";