core: some errno values are uncommon on Unix

src/core/hle/service/soc_u.cpp:107:6: error: 'ENODATA' was not declared in this scope
     {ENODATA, 43},
      ^
src/core/hle/service/soc_u.cpp:117:6: error: 'ENOSR' was not declared in this scope
     {ENOSR, 53},
      ^
src/core/hle/service/soc_u.cpp:118:6: error: 'ENOSTR' was not declared in this scope
     {ENOSTR, 54},
      ^
src/core/hle/service/soc_u.cpp:139:6: error: 'ETIME' was not declared in this scope
     {ETIME, 75},
      ^