build: disable dpdk kernel-mode drivers
build: disable dpdk kernel-mode drivers

Use uio_pci_generic instead of uio_igb, and since we don't use kni at all,
don't build it.

This speeds up compiles and removes the dependencies on the kernel headers.

wildinto/seastar,cloudius-systems/seastar,linearregression/seastar,acbellini/seastar,acbellini/seastar,bowlofstew/seastar,koolhazz/seastar,mixja/seastar,shyamalschandra/seastar,wildinto/seastar,xtao/seastar,hongliangzhao/seastar,kjniemi/seastar,leejir/seastar,chunshengster/seastar,koolhazz/seastar,cloudius-systems/seastar,jonathanleang/seastar,leejir/seastar,printedheart/seastar,bowlofstew/seastar,kjniemi/seastar,scylladb/scylla-seastar,xtao/seastar,linearregression/seastar,scylladb/seastar,jonathanleang/seastar,avikivity/seastar,flashbuckets/seastar,kjniemi/seastar,anzihenry/seastar,shyamalschandra/seastar,koolhazz/seastar,cloudius-systems/seastar,hongliangzhao/seastar,dreamsxin/seastar,printedheart/seastar,scylladb/seastar,leejir/seastar,anzihenry/seastar,flashbuckets/seastar,dwdm/seastar,norcimo5/seastar,syuu1228/seastar,printedheart/seastar,avikivity/seastar,tempbottle/seastar,dwdm/seastar,flashbuckets/seastar,norcimo5/seastar,dwdm/seastar,chunshengster/seastar,acbellini/seastar,stamhe/seastar,hongliangzhao/seastar,joerg84/seastar,avikivity/seastar,joerg84/seastar,mixja/seastar,sjperkins/seastar,stamhe/seastar,sjperkins/seastar,scylladb/scylla-seastar,syuu1228/seastar,stamhe/seastar,jonathanleang/seastar,anzihenry/seastar,dreamsxin/seastar,chunshengster/seastar,norcimo5/seastar,joerg84/seastar,sjperkins/seastar,tempbottle/seastar,linearregression/seastar,tempbottle/seastar,syuu1228/seastar,bowlofstew/seastar,shyamalschandra/seastar,scylladb/scylla-seastar,mixja/seastar,wildinto/seastar,dreamsxin/seastar,xtao/seastar,scylladb/seastar