xv68k:  Add long option support
xv68k:  Add --pid option
Genie:  Unindent sockets.cc
Genie:  Define sockets syscalls as POSIX functions

Don't use static functions in namespace Genie.
Genie:  Separate config/sockets.cc
Genie:  Add CONFIG_SOCKETS option
Merge branch 'config_sockets'