platform: msm_shared: Update the variable's type to uint64_t for kaslr seed

Kaslr seed need a 64bit random number, now only could get a 32bit
random number which will cause the kernel get a null offset. So
update the type for getting a 64bit number.

Change-Id: Ib2dda32190c84b71d960e1f2d9747518f432d030
1 file changed