thermal/drivers/mediatek: Add sensors-support

Add HWMON-support to mediateks thermal driver to allow lm-sensors
userspace tools read soc temperature

Signed-off-by: Frank Wunderlich <[e-mail]>
Reviewed-by: Matthias Brugger <[e-mail]>
Signed-off-by: Daniel Lezcano <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/thermal/mtk_thermal.c

···
 #include <linux/reset.h>
 #include <linux/types.h>
 
+#include "thermal_hwmon.h"
+
 /* AUXADC Registers */
 #define AUXADC_CON1_SET_V	0x008
 #define AUXADC_CON1_CLR_V	0x00c
···
 		ret = PTR_ERR(tzdev);
 		goto err_disable_clk_peri_therm;
 	}
+
+	ret = devm_thermal_add_hwmon_sysfs(tzdev);
+	if (ret)
+		dev_warn(&pdev->dev, "error in thermal_add_hwmon_sysfs");
 
 	return 0;