Merlin MR855MYQ Manufacture and Model not detected
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**Describe The Problem:**
The plugin gives error messages about the Merlin MR855MYQ Roller Door Openers that it does not receive Manufacturer and Model details:

**To Reproduce:**
Add Merlin MR855MYQ Garage Roller Door Openers to myQ

**Logs:**
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```
[30/05/2021, 3:38:09 pm] [homebridge-myq] This plugin generated a warning from the characteristic 'Manufacturer': characteristic value expected string and received undefined. See https://git.io/JtMGR for more info.
[30/05/2021, 3:38:09 pm] [homebridge-myq] This plugin generated a warning from the characteristic 'Model': characteristic value expected string and received undefined. See https://git.io/JtMGR for more info.
[30/05/2021, 3:38:09 pm] [homebridge-myq] This plugin generated a warning from the characteristic 'Manufacturer': characteristic value expected string and received undefined. See https://git.io/JtMGR for more info.
[30/05/2021, 3:38:09 pm] [homebridge-myq] This plugin generated a warning from the characteristic 'Model': characteristic value expected string and received undefined. See https://git.io/JtMGR for more info.
```

**Homebridge Configuration:**

```json
       {
            "email": "myemailaddress",
            "password": "mypassword",
            "platform": "myQ"
        }
```

**Screenshots:**
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**Environment:**

* **Homebridge Version:** <!-- homebridge -V -->
Initializing HAP-NodeJS v0.9.4...
1.3.4

* **Node Version:** <!-- node -v -->
v14.16.1

* **Homebridge-myQ Plugin Version**:
homebridge-myq v2.6.2

* **Apple Device and iOS / macOS / iPadOS / tvOS Version:**<!-- Type of Apple device you're using and associated OS version -->
* **Operating System and OS Version:** <!-- Raspbian / Ubuntu / Debian / Windows / macOS / Docker -->

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