MAINTAINERS: Update the entry for MPQ7932 PMIC driver

Update the MAINTAINERS file to include the path for the MPQ7932
Signed-off-by: Saravanan Sekar <saravanan@linumiz.com>
Link: https://lore.kernel.org/r/20221207173716.123223-5-saravanan@linumiz.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

MAINTAINERS

@@ -14142,6 +14142,7 @@ M:	Saravanan Sekar <sravanhome@gmail.com>
 S:	Maintained
 F:	Documentation/devicetree/bindings/mfd/mps,mp2629.yaml
 F:	Documentation/devicetree/bindings/regulator/mps,mp*.yaml
+F:	drivers/hwmon/pmbus/mpq7932.c
 F:	drivers/iio/adc/mp2629_adc.c
 F:	drivers/mfd/mp2629.c
 F:	drivers/power/supply/mp2629_charger.c