Change the function signature of _InitHarware() function and rename
the function to a platform specific name now that it will be called
via a function pointer and not by name.
Call the platform *_init() function at PURE_INIT time.
Change-Id: I5168dfea81f406da135d491a2b4a24e8255f418a
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>