cl-tonemap: fix wdr display half black issue
cl-tonemap: fix wdr display half black issue

 * issue: only 1/8 display correct, others black on local display

Signed-off-by: Wind Yuan <d3b25194a13defcddf619d66a03bde7d96f8d487@intel.com>

dspmeng/libxcam,dspmeng/libxcam,dspmeng/libxcam