Add 1 second delay before setting Bluetooth MAC, fixes #4

bootmac

@@ -141,6 +141,9 @@ mac_generate() {
 }
 
 mac_bluetooth() {
+    # Some Bluetooth adapters take time before they can be configured
+    sleep 1
+
     log "setting Bluetooth MAC to $BT_MAC"
 
     # Check if the Bluetooth interface is up