Add friss, sum-it, lha packages

 * Also update Caya to provide a deskbar link.
acpi: use walk_resources to find embedded controller I/O ports.

* export walk_resources and use it
* removed SmallResourceData
* added embedded controller module for x86_64
Fix dereference of a null pointer

Signed-off-by: Jérôme Duval <jerome.duval@gmail.com>
pci_acpi.cpp: space cleanup