igb_uio kernel module disabled by default starting from v20.02, document this to prevent confusion. And add note about long term igb_uio plans/directions to move it to another repo based on DPDK technical board decision: http://mails.dpdk.org/archives/dev/2019-November/151763.html Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>