acerhdf: add support for new hardware

Add support for new hardware:
Acer Aspire LT-10Q/531/751/1810/1825,
Acer Travelmate 7730,
Packard Bell ENBFT/DOTVR46

Signed-off-by: Peter Feuerer <peter@piie.net>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>