Auto merge of #3094 - cppcoffee:term, r=JohnTitor

uclibc/mips: add more missing constant

Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>

This add the TABDLY + BSDLY + XTABS + VSWTC + VTDLY + OLCUC + CRDLY constant on Linux and uclibc.
It is defined as part of the uclibc in termios.h:

https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n95
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n100
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n113
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n46
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n108
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n79
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/libc/sysdeps/linux/mips/bits/termios.h#n90

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

@@ -219,27 +219,34 @@ pub const CIBAUD: ::tcflag_t = 0o002003600000;
 pub const TAB1: ::tcflag_t = 0x00000800;
 pub const TAB2: ::tcflag_t = 0x00001000;
 pub const TAB3: ::tcflag_t = 0x00001800;
+pub const TABDLY: ::tcflag_t = 0o0014000;
 pub const CR1: ::tcflag_t = 0x00000200;
 pub const CR2: ::tcflag_t = 0x00000400;
 pub const CR3: ::tcflag_t = 0x00000600;
 pub const FF1: ::tcflag_t = 0x00008000;
 pub const BS1: ::tcflag_t = 0x00002000;
+pub const BSDLY: ::tcflag_t = 0o0020000;
 pub const VT1: ::tcflag_t = 0x00004000;
 pub const VWERASE: usize = 14;
+pub const XTABS: ::tcflag_t = 0o0014000;
 pub const VREPRINT: usize = 12;
 pub const VSUSP: usize = 10;
+pub const VSWTC: usize = 7;
+pub const VTDLY: ::c_int = 0o0040000;
 pub const VSTART: usize = 8;
 pub const VSTOP: usize = 9;
 pub const VDISCARD: usize = 13;
 pub const VTIME: usize = 5;
 pub const IXON: ::tcflag_t = 0x00000400;
 pub const IXOFF: ::tcflag_t = 0x00001000;
+pub const OLCUC: ::tcflag_t = 0o0000002;
 pub const ONLCR: ::tcflag_t = 0x4;
 pub const CSIZE: ::tcflag_t = 0x00000030;
 pub const CS6: ::tcflag_t = 0x00000010;
 pub const CS7: ::tcflag_t = 0x00000020;
 pub const CS8: ::tcflag_t = 0x00000030;
 pub const CSTOPB: ::tcflag_t = 0x00000040;
+pub const CRDLY: ::c_int = 0o0003000;
 pub const CREAD: ::tcflag_t = 0x00000080;
 pub const PARENB: ::tcflag_t = 0x00000100;
 pub const PARODD: ::tcflag_t = 0x00000200;