net: phy: mxl: constify pointers to hwmon_channel_info

Statically allocated array of pointed to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230407145911.79642-6-krzysztof.kozlowski@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/phy/mxl-gpy.c

@@ -182,7 +182,7 @@ static umode_t gpy_hwmon_is_visible(const void *data,
 	return 0444;
 }
 
-static const struct hwmon_channel_info *gpy_hwmon_info[] = {
+static const struct hwmon_channel_info * const gpy_hwmon_info[] = {
 	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT),
 	NULL
 };