O3DS Support

[GrayJack]

Added signature, reboot and emuNAND patches for all FIRM >= 4.0.0 that there was no support
Added firmprotection and slot0x25keyX patches for all FIRM >= 10.0.0 that there was no support
Added signature and reboot patches for 3.0.0 ( I don't know if it works, but firmtools.py found all signature, reboot and emuNAND patches, since the emuNAND patches was a match I decided to add the other 2 as well)

I used the firmtool.py, it has problems with firm protection patch and slot0x25keyX patch search for FIRM < 10.0.0

I didn't tested since I don't have my O3DS here right now

I did it to test the firmtool.py program

[mid-kid]

I can't really merge this until it receives proper testing.
The reason I went for static offsets instead of dynamically searching for things like Luma3DS does is to be able to ensure everything works properly. firmtool.py is simply a helper to make the process of finding potential offsets faster. It is able to find false-positives, which wouldn't work, especially in firm 3.x, since the firm was entirely rewritten when updating from 3.x to 4.x. If it doesn't find the correct offsets for some firms, the script should be adapted properly.