tslib: correct option text

Option text should only be the package name, descriptions go in help text.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/tslib/Config.in

@@ -1,5 +1,5 @@
 config BR2_PACKAGE_TSLIB
-	bool "libts - The Touchscreen tslib Library"
+	bool "tslib"
 	help
 	    http://tslib.berlios.de/