The Jornada720 keyboard driver does not make use of anything from the
mach/hardware.h header, so this header can be removed.
Tested-by: NAdam Wysocki <armlinux@chmurka.net>
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>