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>

drivers/input/touchscreen/Kconfig

@@ -164,6 +164,21 @@ config TOUCHSCREEN_UCB1400
 	  To compile this driver as a module, choose M here: the
 	  module will be called ucb1400_ts.
 
+config TOUCHSCREEN_TSC2102
+	tristate "TSC 2102 based touchscreens"
+	depends on SPI_MASTER
+	select SPI_TSC2102
+	help
+	  Say Y here if you have a touchscreen interface using the
+	  TI TSC 2102 controller, and your board-specific initialization
+	  code includes that in its table of SPI devices.  Also make
+	  sure the proper SPI controller is selected.
+
+	  If unsure, say N (but it's safe to say "Y").
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tsc2102_ts.
+
 config TOUCHSCREEN_TSC2301
 	tristate "TSC2301 touchscreen support"
 	depends on SPI_TSC2301

drivers/input/touchscreen/tsc2102_ts.c

@@ -81,7 +81,6 @@ static int tsc2102_ts_probe(struct platform_device *pdev)
 	}
 
 	dev->name = "TSC2102 Touchscreen";
-	dev->dev = &pdev->dev;
 	dev->cdev.dev = &pdev->dev;
 	dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 	dev->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);