compat_ioctl: Add RS-485 IOCTLs to the list

The RS-485 TIOCSRS485 and TIOCGRS485 ioctls are 32-bit compatible, so
in order to call them on 64-bit systems from 32-bit user mode, we add
them to the ioctl pointer list as compatible ioctls.
Signed-off-by: NJaeden Amero <jaeden.amero@ni.com>
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

fs/compat_ioctl.c

@@ -866,6 +866,8 @@ COMPATIBLE_IOCTL(TIOCGPTN)
 COMPATIBLE_IOCTL(TIOCSPTLCK)
 COMPATIBLE_IOCTL(TIOCSERGETLSR)
 COMPATIBLE_IOCTL(TIOCSIG)
+COMPATIBLE_IOCTL(TIOCSRS485)
+COMPATIBLE_IOCTL(TIOCGRS485)
 #ifdef TCGETS2
 COMPATIBLE_IOCTL(TCGETS2)
 COMPATIBLE_IOCTL(TCSETS2)