Revert "msm: vidc: Disable HDR10 Histogram Extradata"

This reverts commit 0c44b2d6.
Histogram feature is being enabled now after fixing the issue
in video firmware.

Change-Id: I6201b47675648dd9d626a46387ae80e49b559d02
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>