[PATCH] sonypi: correct detection of new ICH7-based laptops

Add a test to detect the ICH7 based Core Duo SONY laptops (such as the SZ1)
as type3 models.

Signed-off-by: Arnaud MAZIN <arnaud.mazin@gmail.com>
Acked-by: Stelian Pop <stelian@poppies.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>