Alow 2 minutes instead of 15 seconds to allow AVAHI comes up

By retrying 24 times 5 seconds when there is no route found we allow 2
minutes to allow AVAHI synchronized instead of 15 seconds.

lib/python/Components/ImportChannels.py

@@ -53,7 +53,7 @@ def getUrl(self, url, timeout=5):
 					sleep(5)
 				elif "[Errno 113]" in str(e.reason) or "[Errno -2]" in str(e.reason):
 					try_counter += 1
-					if try_counter >= 3:
+					if try_counter >= 24:
 						print(f"[Import Channels] No route to host, name or service not known {url} tried {try_counter} time(s) and give up")
 						return {}
 					else: