Merge igrr/esp8266 into esp8266

* commit '8b081ebe9682d92ea4fab8bd233342580d36a7eb':
  Enable reset control for generic esp8266 boards
  Corrected accidentally committed wrong file
  Added to configuration options to disable ArduinoIDE SerialMonitor to set DTR and RTS active when the Monitor is opened

Author: igrr

boards.txt

@@ -5,9 +5,11 @@ esp01.name=Generic ESP8266 board
 
 esp01.upload.tool=esptool
 esp01.upload.speed=115200
-esp01.upload.resetmethod=none
+esp01.upload.resetmethod=ck
 esp01.upload.maximum_size=524288
 esp01.upload.wait_for_upload_port=true
+esp01.serial.disableDTR=true
+esp01.serial.disableRTS=true
 
 esp01.build.mcu=esp8266
 esp01.build.f_cpu=80000000L