[Lcdproc] support for the ft245B in hd44780-ftdi

[Ismail Ibrahim]

Hi All..

I have a modified the ftdi driver to support 4 bit wiring for single
channel ftdi chip(FT232,245..etc)
Later I'll post it to the development..

@Daniel:I add the ftdi_mode option.. it is default to 8. If we want to
use 4 bit wiring later we define ftdi_mode=4 in LCDd.conf
what do you think?