Staging:ft1000: Fix __packed is preferred over __attribute__((packed)) in ft1000_ioctl.h

Fix checkpatch.pl issues with  __packed is preferred
over __attribute__((packed)) in ft1000_ioctl.h

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>