Problem is you didn't disassemble correctly as covered in the guide...
http://www.tonymacx86.com/yosemite-laptop-support/152573-guide-patching-laptop-dsdt-ssdts.html
You can disassemble origin files as a group. But since SSDT-3x.aml is a duplicate of SSDT-1.dsl, you need to exclude SSDT-3x.aml from the disassembly (the fact that Clover F4 extracts often contain duplicates is documented in the guide).
So using your files, downloaded to ~/Downloads/origin...
Code:
cd ~/Downloads/origin
mv SSDT-3x.aml SSDT-3x.aml.bak
iasl -da -dl DSDT.aml SSDT*.aml
Then open DSDT.dsl, make sure MaciASL->Prefs is ACPI 5.0. Click compile. You will get (very common) errors having to do with MMTB. Apply "Fix PARSEOP_STORE/MMTB/HRPR Error".
Result is 3 more errors on lines for Externals... these are also very common. Remove each line causing the error.
Result: error free compile.