Staging: add lcd-panel driver

This adds the lcd-panel parallel port driver to the staging tree.

See the file, drivers/staging/panel/TODO for what needs to be fixed up
in order for this to be properly merged into the rest of the kernel
tree.

Cc: Willy Tarreau <w@1wt.eu>
Cc: Frank Menne <frank.menne@hsm.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>