LU-5584 llite: call truncate_inode_page_final() in evict_inode

LU-5584 llite: call truncate_inode_page_final() in evict_inode

In evict_inode we should invoke truncate_inode_pages_final()
as inode will cleanup.

Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Change-Id: Ifba1014cf997475a248bf3d0898ae373bd3a7f9c
Reviewed-on: http://review.whamcloud.com/12009
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>