net: ethernet: ti: Fix return type of netcpndostart_xmit()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.86 by commit a413ebb6049edd881c6427cfa25a7efddd6a4f74. For more details please see the references link.