external/WICED: modify Kconfig
external/WICED: modify Kconfig

1. change a default value to n
  - This is valid on Cypress board, not a mandatory config
2. make a dependancy between WL_BCM4390X and ARCH_BOARD_CY4390x
  - This is valid on Cypress board only
3. cover a conditional for WICED, NET_NOINTS and
  WIRELESS_FIRMWARE_FILESYSTEM
  - When WL_BCM4390X is enabled, they are necessary
4. remove "select BOARD_INITTHREAD"
  - Not needed

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