os/tools: add zipdownload script
os/tools: add zipdownload script

Someone wants flashing TizenRT binary without any environment like
cloning source codes, setting up build env and so on.
This script zips necessary files to download.
After installing USB driver, "make download" on os folder allows
flashing binary.

Signed-off-by: sunghan-chang <c954e25285721d8faa8b1a5c1ae2ef5a35338d32@samsung.com>

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