staging: ft1000: ft1000-usb: Added new line after declarations.

This patch fixes "Missing a blank line after declarations" checkpatch.pl
warning in ft1000_hw.c

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>