[ros-dev] Improvement in the Hal dma

[Андрей Кудравец]

Hi all.
I have added full implementation of the scatter-gather functions.
Also, improvement of the checking is EISA DMA available.
Added detect machine type (ISA / EISA) in the freeldr.
Resolve CORE:9895

https://jira.reactos.org/browse/CORE-9976

I check working of s/g functions on network ndis driver, which using scatter-gather
functions for bus-master adapter.
ASUS P5B->Realtek PCIe GBE Family controller.
All works.