arm64: dts: apq8096-db820c: Add micro sd card supplies

This patch adds missing microSD card supplies, without this uSD
card will not be detected.

Signed-off-by: Srinivas Kandagatla <[e-mail]>
Reviewed-by: Bjorn Andersson <[e-mail]>
Signed-off-by: Andy Gross <[e-mail]>

arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi

···
 			pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
 			pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
 			cd-gpios = <&msmgpio 38 0x1>;
+			vmmc-supply = <&pm8994_l21>;
+			vqmmc-supply = <&pm8994_l13>;
 			status = "okay";
 		};