adding a "profile=" option to the scons command line yeld a warning message, while the custom.py gets parsed

[MadMcCrow]

Godot version

master branch, commit 91b97da

System information

Manjaro Linux

Issue description

when building from source with a custom.pyfile set via the profile= Scons option, you get the warning message :

WARNING: Unknown SCons variables were passed and will be ignored:
    profile=path/custom.py

nonetheless, the custom.py file gets parsed (a print line at the top gets called 3 times when doing so)

Steps to reproduce

Create a custom.py file somewhere on your system.
clone godot from github.
call
scons -j 4 profile=path/to/your/custom.py

Minimal reproduction project

This happens with my (relatively) small project :
you can do

git clone https://github.com/MadMcCrow/ARMORY.git
git checkout  WFC-custom-module
git submodule update --init
make

[Calinou]

This is a regression from #55203. It will be fixed by #55698 if it's merged.