Another dsleep fix (or rather a not-deep-sleep case) (#2155)
Another dsleep fix (or rather a not-deep-sleep case) (#2155)

* Make the rtc variables not be cleared by the .bss initialization
* Move the save to the right place
* Make sure that we reset the rtctime to 0 if we didn't sleep properly.
* Setting the seconds to zero doesn't update the dsleep calibration

nodemcu/nodemcu-firmware,HEYAHONG/nodemcu-firmware,eku/nodemcu-firmware,vsky279/nodemcu-firmware,nwf/nodemcu-firmware,nodemcu/nodemcu-firmware,nwf/nodemcu-firmware,devsaurus/nodemcu-firmware,vsky279/nodemcu-firmware,FelixPe/nodemcu-firmware,marcelstoer/nodemcu-firmware,FelixPe/nodemcu-firmware,nodemcu/nodemcu-firmware,eku/nodemcu-firmware,nwf/nodemcu-firmware,eku/nodemcu-firmware,HEYAHONG/nodemcu-firmware,nodemcu/nodemcu-firmware,TerryE/nodemcu-firmware,oyooyo/nodemcu-firmware,TerryE/nodemcu-firmware,marcelstoer/nodemcu-firmware,nwf/nodemcu-firmware,nwf/nodemcu-firmware,nodemcu/nodemcu-firmware,oyooyo/nodemcu-firmware,eku/nodemcu-firmware,FelixPe/nodemcu-firmware,HEYAHONG/nodemcu-firmware,TerryE/nodemcu-firmware,marcelstoer/nodemcu-firmware,marcelstoer/nodemcu-firmware,HEYAHONG/nodemcu-firmware,oyooyo/nodemcu-firmware,marcelstoer/nodemcu-firmware,FelixPe/nodemcu-firmware,vsky279/nodemcu-firmware,devsaurus/nodemcu-firmware,luizfeliperj/nodemcu-firmware,HEYAHONG/nodemcu-firmware,vsky279/nodemcu-firmware,vsky279/nodemcu-firmware,devsaurus/nodemcu-firmware,luizfeliperj/nodemcu-firmware,devsaurus/nodemcu-firmware,luizfeliperj/nodemcu-firmware,luizfeliperj/nodemcu-firmware,FelixPe/nodemcu-firmware,TerryE/nodemcu-firmware,TerryE/nodemcu-firmware,devsaurus/nodemcu-firmware,oyooyo/nodemcu-firmware