This adds support for sharp zaurus sl-5500 touchscreen.  It introduces
some not-too-nice ifs, but I guess copying whole ucb1x00-ts.c would be
bad idea...
Signed-off-by: NPavel Machek <pavel@suse.cz>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>