[TASK] Add HOSTIF_INIT_VEC to hostlib-mem.h for AXI host interface

Change-Id: I92831e58ff85e1d103cf4a8b2fcc9ebc60337bc8
[FIX] Fix hostiflib-mem.h generation for AXI host interface

Change-Id: I16c0306cf849e0f7fce9eb036c4e5ab9697a7912