sensor: nrf5: Convert name to come from device tree

Update the binding for nordic,nrf-temp to require the label property and
use the generated define (DT_INST_0_NORDIC_NRF_TEMP_LABEL) instead of
Kconfig symbol (CONFIG_TEMP_NRF5_NAME).

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

drivers/clock_control/nrf_clock_calibration.c

@@ -25,7 +25,7 @@ LOG_MODULE_DECLARE(clock_control, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
 #endif
 
 #define TEMP_SENSOR_NAME \
-	COND_CODE_1(CONFIG_TEMP_NRF5, (CONFIG_TEMP_NRF5_NAME), (NULL))
+	COND_CODE_1(CONFIG_TEMP_NRF5, (DT_INST_0_NORDIC_NRF_TEMP_LABEL), (NULL))
 
 /* Calibration state enum */
 enum nrf_cal_state {

drivers/sensor/nrf5/Kconfig

@@ -3,18 +3,8 @@
 # Copyright (c) 2016 ARM Ltd.
 # SPDX-License-Identifier: Apache-2.0
 
-menuconfig TEMP_NRF5
+config TEMP_NRF5
 	bool "nRF5 Temperature Sensor"
 	depends on SOC_FAMILY_NRF
 	help
 	  Enable driver for nRF5 temperature sensor.
-
-if TEMP_NRF5
-
-config TEMP_NRF5_NAME
-	string "Driver name"
-	default "TEMP_0"
-	help
-	  Device name with which the nRF5 temperature sensor is identified.
-
-endif # TEMP_NRF5

drivers/sensor/nrf5/temp_nrf5.c

@@ -123,7 +123,7 @@ static int temp_nrf5_init(struct device *dev)
 static struct temp_nrf5_data temp_nrf5_driver;
 
 DEVICE_AND_API_INIT(temp_nrf5,
-		    CONFIG_TEMP_NRF5_NAME,
+		    DT_INST_0_NORDIC_NRF_TEMP_LABEL,
 		    temp_nrf5_init,
 		    &temp_nrf5_driver,
 		    NULL,

dts/bindings/sensor/nordic,nrf-temp.yaml

@@ -16,3 +16,6 @@ properties:
 
     interrupts:
       required: true
+
+    label:
+      required: true