MAINTAINERS: correct list and scope of LTC4286 HARDWARE MONITOR

This entry has a wrong list, i2c instead of hwmon. Also, it states to
maintain Kconfig and Makefile which is not suitable for a single driver.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Fixes: 7707cf8 ("dt-bindings: hwmon: Add lltc ltc4286 driver bindings")
Link: https://lore.kernel.org/r/20250317091459.41462-2-wsa+renesas@sang-engineering.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

MAINTAINERS

@@ -13752,12 +13752,10 @@ F:	drivers/hwmon/ltc4282.c
 
 LTC4286 HARDWARE MONITOR DRIVER
 M:	Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.com>
-L:	linux-i2c@vger.kernel.org
+L:	linux-hwmon@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
 F:	Documentation/hwmon/ltc4286.rst
-F:	drivers/hwmon/pmbus/Kconfig
-F:	drivers/hwmon/pmbus/Makefile
 F:	drivers/hwmon/pmbus/ltc4286.c
 
 LTC4306 I2C MULTIPLEXER DRIVER