Its useful to know the task hash in code using TASKDEPDATA so add this
data to the data structure. The recipe specific sysroots in OE
need this data.
(Bitbake rev: 758867e8dc74283bb1f031e158ec54cefdd5c2a6)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>