fwk: sunflower: add the isl9241 temperature devicetree

This change add the isl9241 temperature devicetree in sunflower
project to support reading the isl9241 temperature.

BRANCH=fwk-sunflower-26784
BUG=https://app.clickup.com/t/86et2rz87
TEST=use the console command "temps" to check the charger temperature
TEST=use the console command "memmap get 0x00" to check the charger temperature
     returns to host

Signed-off-by: Josh Tsai <Josh_Tsai@compal.com>

Author: Josh-Tsai

zephyr/program/framework/sunflower/i2c.dtsi

@@ -132,6 +132,11 @@
 		compatible = "cros-ec,temp-sensor-battery";
 		reg = <0xb>;
 	};
+
+	charger_temp: charger_temp@9 {
+		compatible = "cros-ec,temp-sensor-isl9241";
+		reg = <0x9>;
+	};
 };
 
 &i2c_ctrl3 {

zephyr/program/framework/sunflower/overlay.dtsi

@@ -62,6 +62,9 @@
 			power-good-pin = <&gpio_slp_s3_l>;
 			sensor = <&peci_temp>;
 		};
+		temp_sensor_charger: charger-temp {
+			sensor = <&charger_temp>;
+		};
 	};
 
 	peci_temp: peci-temp {