include/sys/prctl.h : Change prctl type to enum value
include/sys/prctl.h : Change prctl type to enum value

Previous prctl only supports PR_SET_NAME, and PR_GET_NAME. For supporting more types, changed to enum value.

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