gitignore: add pyc file pattern
gitignore: add pyc file pattern

ESP32 flash tools use python scripts, pyc file pattern need to be added in gitignore.

pillip8282/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,an4967/TizenRT,an4967/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,Samsung/TizenRT,chanijjani/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,davidfather/TizenRT,an4967/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,chanijjani/TizenRT,jeongarmy/TizenRT,chanijjani/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,davidfather/TizenRT,an4967/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,chanijjani/TizenRT,jeongchanKim/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,chanijjani/TizenRT,davidfather/TizenRT,davidfather/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,davidfather/TizenRT,Samsung/TizenRT,an4967/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,davidfather/TizenRT,sunghan-chang/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,Samsung/TizenRT