HID: Make I2C a known bus in hid_connect()

Just to prettify the log message. Otherwise it would be <UNKNOWN>.

Signed-off-by: Daniel Martin <consume.noise@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 31fc642..71a1286 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1678,6 +1678,9 @@
 	case BUS_BLUETOOTH:
 		bus = "BLUETOOTH";
 		break;
+	case BUS_I2C:
+		bus = "I2C";
+		break;
 	default:
 		bus = "<UNKNOWN>";
 	}