arm/dt: msm8974: Add support for Split display using both DSI controllers

Add DSI second controller device entry in device tree.
Add new panel dtsi file for Orise panel. Add device
changes to use second controller for Orise panel.

Disable Orise panel by default on second controller.

Change-Id: I56b2654ad5bf93308fa1657c008ea29f6417d5b7
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974-mdss.dtsi b/arch/arm/boot/dts/msm8974-mdss.dtsi
index fe4364f..246286e 100644
--- a/arch/arm/boot/dts/msm8974-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8974-mdss.dtsi
@@ -48,6 +48,17 @@
 		qcom,mdss-fb-map = <&mdss_fb0>;
 	};
 
+	mdss_dsi1: qcom,mdss_dsi@fd922e00 {
+		compatible = "qcom,mdss-dsi-ctrl";
+		label = "MDSS DSI CTRL->1";
+		cell-index = <1>;
+		reg = <0xfd922e00 0x600>;
+		vdd-supply = <&pm8941_l22>;
+		vdd_io-supply = <&pm8941_l12>;
+		vreg-supply = <&pm8941_l2>;
+		qcom,mdss-fb-map = <&mdss_fb0>;
+	};
+
 	qcom,hdmi_tx@fd922100 {
 		cell-index = <0>;
 		compatible = "qcom,hdmi-tx";