s5j/gpio: clean up code
s5j/gpio: clean up code

Function open should not expose any GPIOs, so it is remained empty.

Function up_gpioinitialize should not expose any GPIO, remained empty.
This job will be done on board dependednt level by s5j_gpioinitialize()

Change-Id: I83649092e725b0750bea05dd285d52a938a58db2
Signed-off-by: Ivan <1d9e920f53f2b50855e44b4038bceca9a1f13f2b@samsung.com>

JeonginKim/TizenRT,davidfather/TizenRT,heejin-kim/TizenRT,jeongchanKim/TizenRT,manoharahk/TizenRT,sangwon03/TizenRT,heejin-kim/TizenRT,olegartys/TizenRT,dr-venkman/TizenRT,JeongJunSik/TizenRT,sangwon03/TizenRT,lssgood/TizenRT,JunhwanPark/TizenRT,yashwanth686007/TizenRTOS,sangwon03/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,chanijjani/TizenRT,heejin-kim/TizenRT,Parkjihooni6186/TizenRT,EunBongSong/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,an4967/TizenRT,manoharahk/TizenRT,chanijjani/TizenRT,yashwanth686007/TizenRTOS,jeongarmy/TizenRT,sunghan-chang/TizenRT,Parkjihooni6186/TizenRT,an4967/TizenRT,JeongJunSik/TizenRT,sunghan-chang/TizenRT,btheosam/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,youngeunpark/TizenRT,sunghan-chang/TizenRT,btheosam/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,lokeshbv/TizenRT,an4967/TizenRT,lssgood/TizenRT,sunghan-chang/TizenRT,lssgood/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,jsdosa/TizenRT,Parkjihooni6186/TizenRT,lssgood/TizenRT,kimusan/TizenRT,EunBongSong/TizenRT,pillip8282/TizenRT,lssgood/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,davidfather/TizenRT,lokeshbv/TizenRT,JeongJunSik/TizenRT,junmin-kim/TizenRT,dr-venkman/TizenRT,yashwanth686007/TizenRTOS,jeongchanKim/TizenRT,JunhwanPark/TizenRT,olegartys/TizenRT,jeongchanKim/TizenRT,Parkjihooni6186/TizenRT,kimusan/TizenRT,Samsung/TizenRT,heejin-kim/TizenRT,sangwon03/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,davidfather/TizenRT,shivgarg/TizenRT,jsdosa/TizenRT,chanijjani/TizenRT,youngeunpark/TizenRT,kimusan/TizenRT,lokeshbv/TizenRT,jsdosa/TizenRT,youngeunpark/TizenRT,btheosam/TizenRT,heejin-kim/TizenRT,manoharahk/TizenRT,sangwon03/TizenRT,dr-venkman/TizenRT,dr-venkman/TizenRT,guswns0528/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,Samsung/TizenRT,guswns0528/TizenRT,lokeshbv/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,HONGCHAEHEE/TizenRT,btheosam/TizenRT,JeonginKim/TizenRT,chanijjani/TizenRT,EunBongSong/TizenRT,manoharahk/TizenRT,btheosam/TizenRT,guswns0528/TizenRT,JeonginKim/TizenRT,jsdosa/TizenRT,shivgarg/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,olegartys/TizenRT,jeongarmy/TizenRT,youngeunpark/TizenRT,sangwon03/TizenRT,olegartys/TizenRT,yashwanth686007/TizenRTOS,manoharahk/TizenRT,shivgarg/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,JeongJunSik/TizenRT,Parkjihooni6186/TizenRT,pillip8282/TizenRT,heejin-kim/TizenRT,btheosam/TizenRT,manoharahk/TizenRT,pillip8282/TizenRT,JunhwanPark/TizenRT,junmin-kim/TizenRT,JunhwanPark/TizenRT,HONGCHAEHEE/TizenRT,an4967/TizenRT,HONGCHAEHEE/TizenRT,JeongJunSik/TizenRT,JeonginKim/TizenRT,lssgood/TizenRT,kimusan/TizenRT,guswns0528/TizenRT,jsdosa/TizenRT,EunBongSong/TizenRT,dr-venkman/TizenRT,HONGCHAEHEE/TizenRT,Samsung/TizenRT,Samsung/TizenRT,yashwanth686007/TizenRTOS,jeongarmy/TizenRT,shivgarg/TizenRT,davidfather/TizenRT,davidfather/TizenRT,dr-venkman/TizenRT,jeongchanKim/TizenRT,jsdosa/TizenRT,EunBongSong/TizenRT,JeongJunSik/TizenRT,JeonginKim/TizenRT,EunBongSong/TizenRT,sunghan-chang/TizenRT,JunhwanPark/TizenRT,jeongarmy/TizenRT,davidfather/TizenRT,shivgarg/TizenRT,Parkjihooni6186/TizenRT,kimusan/TizenRT,HONGCHAEHEE/TizenRT,lokeshbv/TizenRT,youngeunpark/TizenRT,HONGCHAEHEE/TizenRT,olegartys/TizenRT,jeongarmy/TizenRT,lokeshbv/TizenRT,JunhwanPark/TizenRT,guswns0528/TizenRT,JeonginKim/TizenRT,olegartys/TizenRT,yashwanth686007/TizenRTOS,shivgarg/TizenRT,kimusan/TizenRT,Samsung/TizenRT,youngeunpark/TizenRT,pillip8282/TizenRT,chanijjani/TizenRT