add fritz!box 7490 as tested devices (#12150)

sly1111 · web-flow · commit baf9a139256b · 2020-02-21T11:17:38.000+01:00
configured it yesterday ob my fritzbox 7490 and it worked.
diff --git a/source/_integrations/fritzbox.markdown b/source/_integrations/fritzbox.markdown
@@ -24,6 +24,7 @@ There is currently support for the following device types within Home Assistant:
 
 - [FRITZ!Box 6490 Cable](https://en.avm.de/products/fritzbox/fritzbox-6490-cable/)
 - [FRITZ!Box 7590](https://en.avm.de/products/fritzbox/fritzbox-7590/)
+- [FRITZ!Box 7490](https://en.avm.de/products/fritzbox/fritzbox-7490/)
 - [FRITZ!Box 7430](https://en.avm.de/products/fritzbox/fritzbox-7430/)
 - [FRITZ!DECT 200](https://en.avm.de/products/fritzdect/fritzdect-200/)
 - [FRITZ!DECT 301](https://en.avm.de/products/fritzdect/fritzdect-301/)
