arm64: dts: qcom: msm8976: Add sdc2 GPIOs

Downstream vendor code for reference:

https://git.codelinaro.org/clo/la/kernel/msm-3.10/-/blob/LA.BR.1.3.7.c26/arch/arm/boot/dts/qcom/msm8976-pinctrl.dtsi#L223-263

Signed-off-by: André Apitzsch <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: André Apitzsch

arch/arm64/boot/dts/qcom/msm8976.dtsi

@@ -782,6 +782,42 @@
 				bias-disable;
 			};
 
+			sdc2_default: sdc2-default-state {
+				clk-pins {
+					pins = "sdc2_clk";
+					bias-disable;
+					drive-strength = <16>;
+				};
+				cmd-pins {
+					pins = "sdc2_cmd";
+					bias-pull-up;
+					drive-strength = <10>;
+				};
+				data-pins {
+					pins = "sdc2_data";
+					bias-pull-up;
+					drive-strength = <10>;
+				};
+			};
+
+			sdc2_sleep: sdc2-sleep-state {
+				clk-pins {
+					pins = "sdc2_clk";
+					bias-disable;
+					drive-strength = <2>;
+				};
+				cmd-pins {
+					pins = "sdc2_cmd";
+					bias-pull-up;
+					drive-strength = <2>;
+				};
+				data-pins {
+					pins = "sdc2_data";
+					bias-pull-up;
+					drive-strength = <2>;
+				};
+			};
+
 			wcss_wlan_default: wcss-wlan-default-state  {
 				wcss-wlan2-pins {
 					pins = "gpio40";