platform/x86: i2c-multi-instantiate: Allow to have same slaves

Currently the driver will not enumerate the devices where I2C slaves
are of the same type.

Add an instance number to make them unique.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/i2c-multi-instantiate.c

@@ -92,8 +92,8 @@ static int i2c_multi_inst_probe(struct platform_device *pdev)
 	for (i = 0; i < multi->num_clients && inst_data[i].type; i++) {
 		memset(&board_info, 0, sizeof(board_info));
 		strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE);
-		snprintf(name, sizeof(name), "%s-%s", match->id,
-			 inst_data[i].type);
+		snprintf(name, sizeof(name), "%s-%s.%d", match->id,
+			 inst_data[i].type, i);
 		board_info.dev_name = name;
 		switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) {
 		case IRQ_RESOURCE_GPIO: