Re-add a lost TSC2102 touchscreen Kconfig entry

The TSC2102 option in drivers/input/touchscreen/Kconfig got lost
somewhere in January (although the commit is not visible in git-web),
so adding it back.  Also remove the input_dev.dev assignment due to an
upstream change.

Signed-off-by: Andrzej Zaborowski <balrog@zabor.org>
From 492e5cbe39613f06b8146c12bff9500259739fd5 Mon Sep 17 00:00:00 2001
From: Andrzej Zaborowski <balrog@zabor.org>
Date: Tue, 22 May 2007 20:08:47 +0200
Subject: [PATCH] Re-add a lost TSC2102 touchscreen Kconfig entry.

The TSC2102 option in drivers/input/touchscreen/Kconfig got lost somewhere
in January (although the commit is not visible in git-web), so adding it
back.  Also remove the input_dev.dev assignment due to an upstream change.
Signed-off-by: Tony Lindgren <tony@atomide.com>