gma500: strip unneeded version headers

Remove unneeded version.h includes from drivers/staging/gma500/

It was pointed out by 'make versioncheck' that some includes of
linux/version.h are not needed in drivers/staging/gma500/.
This patch removes them.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
[updated for all th file cleanup and movement]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>