doc: fix names of UIO drivers

doc: fix names of UIO drivers

Fix typos in the names of kernel drivers based on UIO,
and make sure the generic term for the interface is UIO in capitals.

Fixes: 3a78b2f73206 ("doc: add virtio crypto PMD guide")
Fixes: 3cc4d996fa75 ("doc: update VFIO usage in qat crypto guide")
Fixes: 39922c470e3c ("doc: add known uio_pci_generic issue for i40e")
Fixes: 86fa6c57a175 ("doc: add known igb_uio issue for i40e")
Fixes: beff6d8e8e2e ("net/netvsc: add documentation")
Cc: stable@dpdk.org
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>