Input: lpc32xx_ts - fix device tree compatible string

During the device tree integration of the various LPC32xx drivers,
we agreed on using non-wildcard "compatible" strings. This change
switches lpc32xx_ts touchscreen driver to use "nxp,lpc3220-tsc".
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt

 * NXP LPC32xx SoC Touchscreen Controller (TSC)
 
 Required properties:
-- compatible: must be "nxp,lpc32xx-tsc"
+- compatible: must be "nxp,lpc3220-tsc"
 - reg: physical base address of the controller and length of memory mapped
   region.
 - interrupts: The TSC/ADC interrupt
@@ -9,7 +9,7 @@ Required properties:
 Example:
 
 	tsc@40048000 {
-		compatible = "nxp,lpc32xx-tsc";
+		compatible = "nxp,lpc3220-tsc";
 		reg = <0x40048000 0x1000>;
 		interrupt-parent = <&mic>;
 		interrupts = <39 0>;

drivers/input/touchscreen/lpc32xx_ts.c

@@ -386,7 +386,7 @@ static const struct dev_pm_ops lpc32xx_ts_pm_ops = {
 
 #ifdef CONFIG_OF
 static struct of_device_id lpc32xx_tsc_of_match[] = {
-	{ .compatible = "nxp,lpc32xx-tsc", },
+	{ .compatible = "nxp,lpc3220-tsc", },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, lpc32xx_tsc_of_match);