Add clFinish for guarantee the kernel copying is finished when create TILE_Y large image.
Add clFinish for guarantee the kernel copying is finished when create TILE_Y large image.

Signed-off-by: Yan Wang <8ca54580088a7ffe1dd243d1c16c6d1f04463d55@linux.intel.com>
Reviewed-by: Yang Rong <78759e37dc7114caed18f74e7515c5cb519dbf6d@intel.com>

wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet,wdv4758h/beignet