Apply RehabMan's laptop HPET patch to the DSDT

Signed-off-by: Max Fierke <max@maxfierke.com>
Add AppleHDA patch files for 10.8.5

Signed-off-by: Max Fierke <max@maxfierke.com>
Update README.md to reflect the current state of hardware support for 10.8.5

Signed-off-by: Max Fierke <max@maxfierke.com>