ice: add E835 device IDs

E835 is an enhanced version of the E830.
It continues to use the same set of commands, registers and interfaces
as other devices in the 800 Series.

Following device IDs are added:
- 0x1248: Intel(R) Ethernet Controller E835-CC for backplane
- 0x1249: Intel(R) Ethernet Controller E835-CC for QSFP
- 0x124A: Intel(R) Ethernet Controller E835-CC for SFP
- 0x1261: Intel(R) Ethernet Controller E835-C for backplane
- 0x1262: Intel(R) Ethernet Controller E835-C for QSFP
- 0x1263: Intel(R) Ethernet Controller E835-C for SFP
- 0x1265: Intel(R) Ethernet Controller E835-L for backplane
- 0x1266: Intel(R) Ethernet Controller E835-L for QSFP
- 0x1267: Intel(R) Ethernet Controller E835-L for SFP

Reviewed-by: Konrad Knitter <konrad.knitter@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Dawid Osuchowski <dawid.osuchowski@linux.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>