posix: Add termios.h bindings
posix: Add termios.h bindings

Signed-off-by: Matias De la Puente <eeb8c0a2f8584d56eb944d142d2db5278ce4c0c0@gmail.com>

kamanashisroy/aroop,playya/vala,lovebug356/vala,frida/vala,jessevdk/vala,flobrosch/vala-fixes,rvu95/vala,GNOME/vala,severinh/vala,GNOME/vala,phako/vala,tjol/vala-tjol,frida/vala,GNOME/vala,rvu95/vala,spidermonkdust/vala,Jc2k/vala,tjol/vala-tjol,phako/vala,themiwi/vala,severinh/vala,Jc2k/vala,frida/vala,jessevdk/vala,flobrosch/vala-fixes,flobrosch/vala-fixes,playya/vala,Distrotech/vala,xdave/pvala,Distrotech/vala,frida/vala,severinh/vala,themiwi/vala,tjol/vala-tjol,kamanashisroy/aroop,GNOME/vala,frida/vala,jessevdk/vala,playya/vala,lovebug356/vala,kamanashisroy/aroop,Distrotech/vala,spidermonkdust/vala,themiwi/vala,rvu95/vala,spidermonkdust/vala