ice: move service task start out of ice_init_pf()

ice: move service task start out of ice_init_pf()

[ Upstream commit 806c4f32a80627f8977fda53520afc41491d162f ]

Move service task start out of ice_init_pf(). Do analogous with deinit.
Service task is needed up to the very end of driver removal, later commit
of the series will move it later on execution timeline.

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Stable-dep-of: 1390b8b3d2be ("ice: remove duplicate call to ice_deinit_hw() on error paths")
Signed-off-by: Sasha Levin <sashal@kernel.org>