w1: therm: constify pointers to hwmon_channel_info

Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.

Link: https://lore.kernel.org/r/20230407150121.79887-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

drivers/w1/slaves/w1_therm.c

@@ -454,7 +454,7 @@ static const struct hwmon_channel_info w1_temp = {
 	.config = w1_temp_config,
 };
 
-static const struct hwmon_channel_info *w1_info[] = {
+static const struct hwmon_channel_info * const w1_info[] = {
 	&w1_temp,
 	NULL
 };