The minidebuginfo testcase was based off of an incomplete documenation. We need
to properly fix the creation of the executable to test in a standalone instance.
create-minidebug.sh - properly create standalone testcase, this includes
removing all symbol, relocation and .debug_* sections.
Tweak naming of files with binary. prefix for easier
tracking
minidebuginfo.exp - updated file names to target and cleanup