docs: add generic XDP to XDP compatible list (#1118)
docs: add generic XDP to XDP compatible list (#1118)

Add a link to the proposed generic XDP feature to the list of XDP features.
romain-intel/bcc,brendangregg/bcc,shodoco/bcc,shodoco/bcc,romain-intel/bcc,brendangregg/bcc,brendangregg/bcc,tuxology/bcc,tuxology/bcc,shodoco/bcc,mcaleavya/bcc,mcaleavya/bcc,mcaleavya/bcc,romain-intel/bcc,tuxology/bcc,brendangregg/bcc,iovisor/bcc,iovisor/bcc,mcaleavya/bcc,brendangregg/bcc,shodoco/bcc,iovisor/bcc,iovisor/bcc,tuxology/bcc,mcaleavya/bcc,shodoco/bcc,iovisor/bcc,romain-intel/bcc,tuxology/bcc,romain-intel/bcc