ARM: dts: apq8064: Add DT support for GSBI6 and for UART pin mux

This change adds DT support for GSBI6 and muxes the gpio pins
as UART lines. Also defines a alias for serial port on these lines.

Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
[Srinivas Kandagatla]: fix pinctrl location and rename alias correctly
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <agross@codeaurora.org>
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index a7c939b..4cf967f 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -7,6 +7,7 @@
 
 	aliases {
 		serial0 = &gsbi7_serial;
+		serial1 = &gsbi6_serial;
 	};
 
 	soc {
@@ -115,6 +116,18 @@
 			};
 		};
 
+		gsbi@16500000 {
+			status = "ok";
+			qcom,mode = <GSBI_PROT_I2C_UART>;
+
+			serial@16540000 {
+				status = "ok";
+
+				pinctrl-names = "default";
+				pinctrl-0 = <&uart_pins>;
+			};
+		};
+
 		gsbi@16600000 {
 			status = "ok";
 			qcom,mode = <GSBI_PROT_I2C_UART>;