hwmon: (applesmc) Assign boolean values to a bool variable

Fix the following coccicheck warnings:

./drivers/hwmon/applesmc.c:568:6-23: WARNING: Assignment of
0/1 to bool variable.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1611124870-125658-1-git-send-email-abaci-bugfix@linux.alibaba.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/applesmc.c

@@ -565,7 +565,7 @@ static int applesmc_init_index(struct applesmc_registers *s)
 static int applesmc_init_smcreg_try(void)
 {
 	struct applesmc_registers *s = &smcreg;
-	bool left_light_sensor = 0, right_light_sensor = 0;
+	bool left_light_sensor = false, right_light_sensor = false;
 	unsigned int count;
 	u8 tmp[1];
 	int ret;