ice: remove non-inclusive language

Remove non-inclusive language from the driver where
possible; replace "master" with "primary"; replace
"slave" with "secondary".

Signed-off-by: Mikael Barsehyan <mikael.barsehyan@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>