ice: add pdev into fwlog structure and use it for logging

ice: add pdev into fwlog structure and use it for logging

Prepare the code to be moved to the library. ice_debug() won't be there
so switch to dev_dbg().

Add struct pdev pointer in fwlog to track on which pdev the fwlog was
created.

Switch the dev passed in dev_warn() to the one stored in fwlog.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>