ice: prepare for moving file to libie

s/ice/libie

There is no function for filling default descriptor in libie. Zero
descriptor structure and set opcode without calling the function.

Make functions that are caled only in ice_fwlog.c static.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>