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 <[e-mail]>
Reviewed-by: Andrew Lunn <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/phy/mxl-gpy.c

···
 	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
 };