os/fs/smartfs: Fix improper type value for subsequent file sectors
os/fs/smartfs: Fix improper type value for subsequent file sectors

- Currently, chainheader type is written as SMARTFS_DIRENT_TYPE_FILE
  It should be SMARTFS_SECTOR_TYPE_FILE instead.

Signed-off-by: Amogh Hassija <448175fdc113b17c725467b053a031f9134d1029@samsung.com>

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