ice: Refactor ice_ptp_init_tx_*

ice: Refactor ice_ptp_init_tx_*

Unify ice_ptp_init_tx_* functions for most of the MAC types except E82X.
This simplifies the code for the future use with new MAC types.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>