ioctl: add decoding for parametrized command names

ioctl: add decoding for parametrized command names

Some ioctl commands from evdev, hiddev, mixer, uinput, spi, and joystick
are parametrized by a size or a number that are variable.  This change
implements printing of these parametrized ioctl command names.

* configure.ac (AC_CHECK_HEADERS): Add linux/input.h.
* defs.h (ioctl_decode_number): New prototype.
* io.c (sys_ioctl): Use ioctl_decode_number.
* ioctl.c (ioctl_decode_number): New function.
* xlat/evdev_abs.in: New file.
* xlat/evdev_ev.in: New file.

Signed-off-by: Gabriel Laskar <gabriel@lse.epita.fr>