plugins: new touchkit driver, reposted

plugins: new touchkit driver, reposted

Original submission from Frédéric Salabartan:

https://lists.berlios.de/pipermail/tslib-general/2009-July/000212.html

[w.sang] - updated to latest git (Makefile.am, configure.ac)
	 - used Lindent on the c-files and removed C++ comments
	 - fix two build warnings
	 - removed egalax-driver, should be included in input-raw.c

<there was no SoB by Frederic>
Tested-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Chris Larson <chris_larson@mentor.com>