[Blazium Engine]: Scons toolchain issues

[Reisyukaku]

This hacky setup works on linux but refuses to work on windows due to windows expecting toolchains to be set through mingw variables or similar.
https://github.com/Reisyukaku/blazium/blob/blazium-dev/platform/nx/detect.py#L86-L92

Need to figure out the best cross platform way to have cross compiler toolchains.

Edit:
The DEVKITPRO env var can probably be used as the oracle to find all other things such as toolchains and portlibs

[Bioblaze]

jss2a98aj whatcha think?