i40e/i40evf: AdminQ updates ww36

i40e/i40evf: AdminQ updates ww36

Several little tweaks to keep FW, SV, and SW in line together
 - Remove the unused and deprecated
   i40e_aqc_opc_debug_modify_internals
 - Add define for iSCSI capability
 - Fix queue mask size
 - Adjust i40e_aqc_oem_param_change for ease-of-use

Change-ID: I51f250b367912968a7cec61b3a68110d9796e914
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Kamil Kacperski <[email protected]>
Acked-by: Greg Rose <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>