Add "Unknown" to (not really) supported AniMe list

Intention is to allow users to at least control the power state of the
device (turn off) if the phyciscal display isn't yet supported.

Partial address of #354

rog-anime/src/usb.rs

@@ -34,7 +34,8 @@ pub fn get_anime_type() -> Result<AnimeType, AnimeError> {
     } else if board_name.contains("GA402R") {
         return Ok(AnimeType::GA402);
     }
-    Err(AnimeError::UnsupportedDevice)
+    log::warn!("AniMe Matrix device found but not yet supported");
+    Ok(AnimeType::Unknown)
 }
 
 /// Get the two device initialization packets. These are required for device