Strips leading ../ when generating object file paths, keeps these in sync with the source files
otherwise.
This prevents object files landing in other directories, including outside the build directory, if
the component_srcdirs start with ../
Currently libsodium tests add about 800kB to the binary, which is too
much for a partition table constrained to 2MB. Disable libsodium tests
until we start building multiple unit test apps for different subsets.
Run some unit test cases based (poorly) around sodium's test infrastructure.
Increase in unity test task stack is due to signature tests, load a lot of data onto the stack.
