ice: cleanup long lines in ice_sriov.c

Before we move the virtchnl message handling from ice_sriov.c into
ice_virtchnl.c, cleanup some long line warnings to avoid checkpatch.pl
complaints.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>