* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Add __USE_MISC
and __USE_XOPEN guards to match linux/bits/termios.h.
(CMSPAR): Define.
* sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Add __USE_MISC
and __USE_XOPEN guards to match linux/bits/termios.h.
(CMSPAR): Define.
* sysdeps/unix/sysv/linux/sparc/bits/termios.h: Add __USE_MISC
and __USE_XOPEN guards to match linux/bits/termios.h.