i2c: rcar: update copyright and license information
i2c: rcar: update copyright and license information

Make clear that the driver is GPL v2 only. Remove FSF address. Remove
filename in comment. Update copyright information.

Signed-off-by: Wolfram Sang <66ab244bc42248f12645ba300439b5263f6a6fca@sang-engineering.com>
Acked-by: Kuninori Morimoto <a3b51ccb87d18302c1692defcfbf83319d1737eb@renesas.com>
Acked-by: Geert Uytterhoeven <0da414d9d963da4039c2a0525b1844228075aa58@linux-m68k.org>
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs