LU-5971 llite: rename ccc_lock to vvp_lock

LU-5971 llite: rename ccc_lock to vvp_lock

Rename struct ccc_lock to struct vvp_lock and merge the CCC lock
methods into the VVP lock methods.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I46b4190b5085c8eeb137c7250c38bfa9a49fe7d7
Reviewed-on: http://review.whamcloud.com/13088
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>