hwmon: (pmbus_core) Allow to hook PMBUS_SMBALERT_MASK

Use _pmbus_write_word_data to allow intercepting writes to
PMBUS_SMBALERT_MASK in the custom chip specific code.

This is required for MP2971/MP2973 which doesn't follow the
PMBUS specification for PMBUS_SMBALERT_MASK.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Link: https://lore.kernel.org/r/20240130152903.3651341-1-naresh.solanki@9elements.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/pmbus/pmbus_core.c

@@ -3188,7 +3188,7 @@ static int pmbus_regulator_notify(struct pmbus_data *data, int page, int event)
 
 static int pmbus_write_smbalert_mask(struct i2c_client *client, u8 page, u8 reg, u8 val)
 {
-	return pmbus_write_word_data(client, page, PMBUS_SMBALERT_MASK, reg | (val << 8));
+	return _pmbus_write_word_data(client, page, PMBUS_SMBALERT_MASK, reg | (val << 8));
 }
 
 static irqreturn_t pmbus_fault_handler(int irq, void *pdata)