arm64: dts: qcom: sdm630: Add I2C functions to I2C pins

This was overlooked earlier, fix it to ensure the busses can
work properly.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210728222542.54269-39-konrad.dybcio@somainline.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sdm630.dtsi

@@ -762,96 +762,112 @@ rx-cts-rts {
 
 			i2c1_default: i2c1-default {
 				pins = "gpio2", "gpio3";
+				function = "blsp_i2c1";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c1_sleep: i2c1-sleep {
 				pins = "gpio2", "gpio3";
+				function = "blsp_i2c1";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c2_default: i2c2-default {
 				pins = "gpio6", "gpio7";
+				function = "blsp_i2c2";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c2_sleep: i2c2-sleep {
 				pins = "gpio6", "gpio7";
+				function = "blsp_i2c2";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c3_default: i2c3-default {
 				pins = "gpio10", "gpio11";
+				function = "blsp_i2c3";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c3_sleep: i2c3-sleep {
 				pins = "gpio10", "gpio11";
+				function = "blsp_i2c3";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c4_default: i2c4-default {
 				pins = "gpio14", "gpio15";
+				function = "blsp_i2c4";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c4_sleep: i2c4-sleep {
 				pins = "gpio14", "gpio15";
+				function = "blsp_i2c4";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c5_default: i2c5-default {
 				pins = "gpio18", "gpio19";
+				function = "blsp_i2c5";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c5_sleep: i2c5-sleep {
 				pins = "gpio18", "gpio19";
+				function = "blsp_i2c5";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c6_default: i2c6-default {
 				pins = "gpio22", "gpio23";
+				function = "blsp_i2c6";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c6_sleep: i2c6-sleep {
 				pins = "gpio22", "gpio23";
+				function = "blsp_i2c6";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c7_default: i2c7-default {
 				pins = "gpio26", "gpio27";
+				function = "blsp_i2c7";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c7_sleep: i2c7-sleep {
 				pins = "gpio26", "gpio27";
+				function = "blsp_i2c7";
 				drive-strength = <2>;
 				bias-pull-up;
 			};
 
 			i2c8_default: i2c8-default {
 				pins = "gpio30", "gpio31";
+				function = "blsp_i2c8";
 				drive-strength = <2>;
 				bias-disable;
 			};
 
 			i2c8_sleep: i2c8-sleep {
 				pins = "gpio30", "gpio31";
+				function = "blsp_i2c8";
 				drive-strength = <2>;
 				bias-pull-up;
 			};