thermal: imx: use consistent style to write temperatures

The previous commit already took care to use the right notation for
temperatures. Add correct units to all values representing temperatures in
the right notation for the rest of the file.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

drivers/thermal/imx_thermal.c

@@ -394,27 +394,27 @@ static void imx_init_temp_grade(struct platform_device *pdev, u32 ocotp_mem0)
 
 	/* The maximum die temp is specified by the Temperature Grade */
 	switch ((ocotp_mem0 >> 6) & 0x3) {
-	case 0: /* Commercial (0 to 95C) */
+	case 0: /* Commercial (0 to 95 °C) */
 		data->temp_grade = "Commercial";
 		data->temp_max = 95000;
 		break;
-	case 1: /* Extended Commercial (-20 to 105C) */
+	case 1: /* Extended Commercial (-20 °C to 105 °C) */
 		data->temp_grade = "Extended Commercial";
 		data->temp_max = 105000;
 		break;
-	case 2: /* Industrial (-40 to 105C) */
+	case 2: /* Industrial (-40 °C to 105 °C) */
 		data->temp_grade = "Industrial";
 		data->temp_max = 105000;
 		break;
-	case 3: /* Automotive (-40 to 125C) */
+	case 3: /* Automotive (-40 °C to 125 °C) */
 		data->temp_grade = "Automotive";
 		data->temp_max = 125000;
 		break;
 	}
 
 	/*
-	 * Set the critical trip point at 5C under max
-	 * Set the passive trip point at 10C under max (can change via sysfs)
+	 * Set the critical trip point at 5 °C under max
+	 * Set the passive trip point at 10 °C under max (changeable via sysfs)
 	 */
 	data->temp_critical = data->temp_max - (1000 * 5);
 	data->temp_passive = data->temp_max - (1000 * 10);