arm/dt: msm8974: Add cd-gpio property for external SD card slot

Add cd-gpio property for so that driver can enable hardware
based card detection for external SD card slot on MTP, CDP
and Fluid.

Change-Id: Id5db4c81fadae236c376566dc34cd9bdb1bf21c4
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974-fluid.dtsi b/arch/arm/boot/dts/msm8974-fluid.dtsi
index dbb8958..d22c746 100644
--- a/arch/arm/boot/dts/msm8974-fluid.dtsi
+++ b/arch/arm/boot/dts/msm8974-fluid.dtsi
@@ -311,6 +311,17 @@
 };
 
 &sdhc_2 {
+	#address-cells = <0>;
+	interrupt-parent = <&sdhc_2>;
+	interrupts = <0 1 2>;
+	#interrupt-cells = <1>;
+	interrupt-map-mask = <0xffffffff>;
+	interrupt-map = <0 &intc 0 125 0
+			1 &intc 0 221 0
+			2 &msmgpio 62 0x3>;
+	interrupt-names = "hc_irq", "pwr_irq", "status_irq";
+	cd-gpios = <&msmgpio 62 0x1>;
+
 	vdd-supply = <&pm8941_l21>;
 	vdd-io-supply = <&pm8941_l13>;