ARM: dts: qcom: apq8064 - Move i2c1 pinctrl to apq8064.dtsi

I2C1 pinctrl is not really specific to a board, moving to SOC dtsi would
avoid redefining this in every board.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 93de48a..345ea08 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -113,6 +113,13 @@
 					function = "ps_hold";
 				};
 			};
+
+			i2c1_pins: i2c1 {
+				mux {
+					pins = "gpio20", "gpio21";
+					function = "gsbi1";
+				};
+			};
 		};
 
 		intc: interrupt-controller@2000000 {