uefi: add tcpv4 protocol wrapper

Author: JayKickliter

uefi/CHANGELOG.md

@@ -7,6 +7,7 @@
 - Added `proto::pci::root_bridge::PciRootBridgeIo::enumerate()`.
 - Added `proto::nvme::pass_thru::NvmePassThru::broadcast()`.
 - Added `proto::media::block::BlockIO2`.
+- Added `Tcp4` protocol and types.
 
 ## Changed
 - export all `text::{input, output}::*` types

uefi/src/proto/network/mod.rs

@@ -21,5 +21,6 @@ pub mod http;
 pub mod ip4config2;
 pub mod pxe;
 pub mod snp;
+pub mod tcp4;
 
 pub use uefi_raw::MacAddress as EfiMacAddr;