Add AF_VSOCK to uclibc mips

Author: kolapapa2024

src/unix/linux_like/linux/uclibc/mips/mod.rs

@@ -65,6 +65,8 @@ pub const O_NDELAY: ::c_int = 0x80;
 
 pub const SOCK_NONBLOCK: ::c_int = 128;
 
+pub const AF_VSOCK: ::c_int = 40;
+
 pub const EDEADLK: ::c_int = 45;
 pub const ENAMETOOLONG: ::c_int = 78;
 pub const ENOLCK: ::c_int = 46;